The R7725 is Dell’s two-socket 2U server for 5th Generation AMD EPYC 9005 processors: up to 192 Zen5 cores per socket, 24 DDR5 slots at 6400 MT/s and eight PCIe Gen5 slots. This page maps every option Dell documents for it, from ten front layouts to the GPU, CXL memory and cooling rules that decide which of them can be combined.
1Left control panel: USB 2.0 Type-A and Mini DisplayPort (optional LCP KVM)
2Forty EDSFF E3.S Gen5 NVMe bays
3Right control panel: power button, USB-C HOST/BMC Direct port, system ID
4Express service tag
Image: Dell Technologies
Form factor
2U Rack · 2 sockets
Processors
AMD EPYC 9005
Memory
24 × DDR5 RDIMM · up to 6 TB
Drive bays
Up to 40 · 9 drive-bay layouts
Expansion
8 × PCIe · 2 × OCP 3.0
GPUs
Up to 6 · 7 listed
Boot
M.2 and BOSS · 2 boot options
Management
iDRAC10
01 — Overview
The R7725 at a glance
Our read of Dell’s documentation: where the R7725 is strong, and the limits worth knowing before you spec one.
Strengths
+Up to 192 Zen5 cores per socket, with even the 500 W parts listed for air cooling — the 4th Gen EPYC R7625 in Dell’s comparison table stopped at 128 cores.
+Eight PCIe Gen5 slots plus two OCP NIC 3.0 slots, twice the Gen5 slot count Dell gives for the R7625.
+Ten front layouts, from diskless to forty EDSFF E3.S Gen5 NVMe drives, while keeping 12 × 3.5-inch and 24 × 2.5-inch SAS/SATA for capacity estates.
+Two double-width GPUs at up to 450 W, with the H200 NVL, RTX Pro 6000 Blackwell Server Edition and AMD Instinct MI350P on Dell’s thermal list.
+CXL 2.0 Type 3 memory cards lift total system memory to 8,192 GB in Dell’s documented configuration.
Watch-outs
!No rear drive bays in any riser configuration, and no software RAID — the S160 option of the R7625 is gone.
!Double-width GPUs need riser configuration RC4 and the GPU shroud. Dell’s GPU tables mark them N/A with the 8 × 2.5-inch Universal, 24 × 2.5-inch and 40 × E3.S fronts, and leave the 12 × 3.5-inch front out altogether.
!The 500 W EPYC 9965 and 9755 need T-type heat sinks with HPR Platinum fans, and become liquid-cooled only once double-width GPUs are fitted.
!The RTX Pro 6000 and MI350P are held to 30°C inlet in every double-width layout except no backplane, and the H200 NVL behind the 16 + 8 NVMe front; Dell also caps the H200 NVL and RTX Pro 6000 at 450 W instead of 600 W.
!Fresh-air sites are tightly limited: most per-layout ASHRAE tables stop at 240 W processors for A3 and 195 W for A4 (the 32 × E3.S table allows none), a general fresh-air list says under 180 W, and GPUs and DIMMs of 64 GB or more are excluded.
Processors20 SKUs
Cores / CPU8–192
DIMM slots24
Drive layouts9
Max bays40
GPUsup to 6
PSU options11 · to 3,200 W
02 — Processors
20 supported processors, mapped
Dell lists twenty EPYC 9005 SKUs for the R7725, from the 8-core 9015 at 125 W to the 192-core 9965 at 500 W. All are rated for 6 TB of memory; the 9535 and 9455 run it at 6000 MT/s, every other SKU at 6400 MT/s. The chart plots each part by cores and TDP. The three highest base clocks in the table belong to F-suffix parts, led by the 16-core 9175F at 4.2 GHz.
Processor landscape — cores × TDP
20 SKUs · 1 family
AMD EPYC 9005 20Bubble size = L3 cache · hover a bubble for the full SKU
Processor explorer
filter · sort · compare
Processor
Cores / threads
Base
L3 cache
TDP
W / core
Memory
AMD EPYC 9965
192 / 384
2.25 GHz
384 MB
500 W
2.6
DDR5-6400
AMD EPYC 9845
160 / 320
2.1 GHz
320 MB
390 W
2.4
DDR5-6400
AMD EPYC 9825
144 / 288
2.2 GHz
384 MB
390 W
2.7
DDR5-6400
AMD EPYC 9755
128 / 256
2.7 GHz
512 MB
500 W
3.9
DDR5-6400
AMD EPYC 9745
128 / 256
2.4 GHz
256 MB
400 W
3.1
DDR5-6400
AMD EPYC 9655
96 / 192
2.6 GHz
384 MB
400 W
4.2
DDR5-6400
AMD EPYC 9575F
64 / 128
3.3 GHz
256 MB
400 W
6.3
DDR5-6400
AMD EPYC 9555
64 / 128
3.2 GHz
256 MB
360 W
5.6
DDR5-6400
AMD EPYC 9535
64 / 128
2.4 GHz
256 MB
300 W
4.7
DDR5-6000
AMD EPYC 9475F
48 / 96
3.65 GHz
256 MB
400 W
8.3
DDR5-6400
AMD EPYC 9455
48 / 96
3.15 GHz
256 MB
300 W
6.3
DDR5-6000
AMD EPYC 9375F
32 / 64
3.8 GHz
256 MB
320 W
10.0
DDR5-6400
AMD EPYC 9355
32 / 64
3.55 GHz
256 MB
280 W
8.8
DDR5-6400
AMD EPYC 9335
32 / 64
3 GHz
128 MB
210 W
6.6
DDR5-6400
AMD EPYC 9275F
24 / 48
4.1 GHz
256 MB
320 W
13.3
DDR5-6400
AMD EPYC 9255
24 / 48
3.2 GHz
128 MB
200 W
8.3
DDR5-6400
AMD EPYC 9175F
16 / 32
4.2 GHz
512 MB
320 W
20.0
DDR5-6400
AMD EPYC 9135
16 / 32
3.65 GHz
64 MB
200 W
12.5
DDR5-6400
AMD EPYC 9115
16 / 32
2.6 GHz
64 MB
125 W
7.8
DDR5-6400
AMD EPYC 9015
8 / 16
3.6 GHz
64 MB
125 W
15.6
DDR5-6400
TDPs follow Dell’s processor table. Its CPU thermal matrix prints two of them differently (the 9475F as 360 W and the 9575F as 320 W, against 400 W in the processor table).
The 9965 and 9755 (500 W) are air-cooled with the 1U T-type heat sink and HPR Platinum fans; in double-width GPU layouts Dell marks both as DLC only.
With double-width GPUs, the 320–400 W SKUs become 30°C parts behind the 16 × 2.5-inch and 16 + 8 NVMe fronts; the 9275F is DLC only there and a 30°C part with the 8 × E3.S or diskless fronts.
The 9535 and 9455 appear in the processor table but not in the CPU thermal matrix, so Dell gives no per-layout cooling guidance for either.
All six riser configurations list two processors; the guide’s only single-processor reference is a fan note (three fan modules for one processor, six for two).
EPYC 9005 keeps the SP5 socket of the 9004 series. Each processor offers up to 128 high-speed I/O lanes; the processor chapter gives 32 Gbps as the peak xGMI3 speed.
03 — Memory
24 DIMM slots, 12 per processor
Twenty-four DDR5 RDIMM slots, twelve per socket, so each of the EPYC 9005’s twelve memory channels carries exactly one DIMM. Dell rates every module it lists, 16 GB to 256 GB, at 6400 MT/s in that one-per-channel population, which means capacity is set by module size alone, up to 6 TB.
Capacity with every slot filled
by DIMM size
Rated memory speed
from the processor table
Processor family
Up to
AMD EPYC 9005
6400 MT/s
The memory chapter gives the ceiling as 6.14 TB and the spec sheet as 6 TB; 24 slots × 256 GB comes to 6,144 GB.
CXL 2.0 (Type 3 memory devices only, riser configuration RC3 or RC7): Dell’s table totals 3,072 GB with 96 GB DIMMs plus two cards of 4 × 96 GB, and 8,192 GB with 256 GB DIMMs plus four cards of 4 × 128 GB. Its native-DIMM columns print 12 modules (1,152 GB and 3,072 GB), yet both totals add up only with all 24 slots filled, which the table’s own fully-populated rule also calls for.
CXL rules: native DIMM slots fully populated, at least four DIMMs per card, no more than two cards per processor, and no 256 GB modules on a card for thermal reasons.
For AMD Instinct MI350P builds Dell requires four or more DIMMs per processor, and it suggests system memory of 1.5–2× total GPU memory — 423–564 GB for two H200 NVL cards, for example.
NUMA can be set to NPS1 (the default), NPS2, NPS4 or, on two-socket systems, NPS0 — one domain for the whole machine. Not every SKU supports NPS2 or NPS4.
The ASHRAE restrictions for the 32 × E3.S front print “DIMM ≥ 96G are not supported” in the A2 column; the memory thermal matrix does not repeat it, so confirm before pairing that front with 96 GB or larger modules.
04 — Storage
9 drive-bay layouts, up to 40 bays
Ten front configurations and no rear bays. The R7725 runs from a diskless chassis through 12 × 3.5-inch, 16- and 24-bay 2.5-inch SAS/SATA, an 8-bay Universal and a 16 + 8 mixed front, to EDSFF E3.S fronts of 8, 16, 32 or 40 NVMe drives. Internal hardware RAID comes from front PERCs, which leave every PCIe slot free.
Headline layouts
front panel view
Front panel
The bay maximum: forty EDSFF E3.S Gen5 NVMe drives. Dell’s GPU tables allow single-width L4 cards with this front but no double-width cards.
SAS/SATANVMeSAS/SATA + NVMe
Controllers & boot
PERC H975i — RAID, 192MB cache. Avenger 2 premium performance; 1 GB DDR4-2400 memory, 192 MB cache, x16 PCIe 5.0; front; ESXi requires 9.0 or later
BOSS-N1 DC-MHS (RAID 0/1, 2 x M.2 NVMe 480 GB or 960 GB read-intensive) — boot
Internal USB — boot
No software RAID is offered, and no single controller may carry a mix of SAS, SATA and NVMe drives (Dell does not support Tri-Mode).
Front PERCs: H975i (1 GB DDR4 memory, 192 MB cache, x16 PCIe 5.0; ESXi 9.0 or later), H965i (8 GB NV cache, x16 PCIe 4.0) and H365i (x8 PCIe 4.0). The H965e and HBA465e are the external controllers.
The rear BOSS-N1 DC-MHS card carries a pair of M.2 NVMe boot drives (480 or 960 GB each), mirrored or striped, so no front bay is spent on the operating system.
Dell’s drive table lists 2.5-inch NVMe and E3.S drives up to 61.44 TB, so a full 40 × E3.S front reaches 2,457.6 TB raw.
Every documented layout
9 with drive bays
2.5-inch3.5-inchEDSFF (E1.S / E3.S)
05 — Accelerators & I/O
GPUs, PCIe and networking
Accelerators go in the PCIe risers. Dell lists seven cards: the single-width NVIDIA L4 and six double-width parts — H100 NVL, H200 NVL, L40S, A16, RTX Pro 6000 Blackwell Server Edition and AMD Instinct MI350P. The front layout decides whether double-width cards are allowed at all, and the guide’s tables disagree on two fronts: the CPU matrix gives 16 and 32 × E3.S no double-width column, while the GPU matrix rates double-width cards with both. Up to two double-width GPUs at 450 W (slots 2 and 7, riser configuration RC4), or up to six single-width 75 W cards.
NVIDIA L4
single-wide
24GB · up to 6
NVIDIA L40S
double-wide
48GB · up to 2
NVIDIA A16
double-wide
64GB · up to 2
NVIDIA H100 NVL
double-wide
94GB · up to 2
NVIDIA H200 NVL
double-wide
141GB · up to 2
NVIDIA RTX Pro 6000 Blackwell Server Edition
double-wide
96GB · up to 2
AMD Instinct MI350P
double-wide
144GB · up to 2
I/O topology
128 lanes per CPU
Behind the rear panel, Dell spreads the EPYC 9005’s I/O across up to eight Gen5 slots in six riser configurations and two OCP NIC 3.0 positions, with a dedicated 1 GbE BMC port on the DC-SCM.
Network adapters Dell lists
16 options
Adapter
Ports
Form
Broadcom 4 x 1GbE BT OCP 3.0
4 × 1GbE
OCP 3.0
Intel 4 x 1GbE/2.5GbE BT OCP 3.0
4 × 1GbE/2.5GbE
OCP 3.0
Intel 4 x 10GbE BT OCP 3.0
4 × 10GbE
OCP 3.0
Broadcom 4 x 10GbE BT OCP 3.0
4 × 10GbE
OCP 3.0
Intel 2 x 10GbE BT OCP 3.0
2 × 10GbE
OCP 3.0
Broadcom 2 x 10GbE BT OCP 3.0
2 × 10GbE
OCP 3.0
Broadcom 2 x 25GbE SFP28 OCP 3.0
2 × 25GbE
OCP 3.0
Broadcom 2 x 200GbE QSFP112 OCP 3.0
2 × 200GbE
OCP 3.0
Broadcom 2 x 100GbE QSFP56 OCP 3.0
2 × 100GbE
OCP 3.0
NVIDIA 2 x 100GbE QSFP56 OCP 3.0
2 × 100GbE
OCP 3.0
Broadcom 4 x 25GbE SFP28 OCP 3.0
4 × 25GbE
OCP 3.0
NVIDIA 2 x 25GbE SFP28 OCP 3.0
2 × 25GbE
OCP 3.0
PCIe AIC NIC 2 x 200GbE (configurable as 1 x 400GbE)
2 × 200GbE
PCIe
PCIe AIC NIC 2 x 100GbE
2 × 100GbE
PCIe
PCIe AIC NIC 2 x 25GbE
2 × 25GbE
PCIe
NVIDIA BlueField-3 B3220 DPU
2 × 200GbE
PCIe DPU
Every riser configuration is marked “rear storage: no” and all six need both processors.
Redirecting the BMC to a shared NIC works only through the embedded OCP slot (slot 10 in Dell’s NIC comparison; the OCP feature table prints slot 5).
Add-in cards: up to eight PCIe cards, including 2 × 200 GbE (configurable as 1 × 400 GbE), 2 × 100 GbE and 2 × 25 GbE NICs, and up to two FC64 or FC32 HBAs.
DPUs: NVIDIA BlueField-3 B3220 (2 × 200 GbE, 150 W) and B3240 (1 × 400 GbE), both in slots 2 and 7; the B3140H is listed as not available at launch.
Dell’s thermal notes call for DAC or 85°C-rated active optics on 25 GbE and faster PCIe and OCP cards.
06 — Power & cooling
11 power supplies, 800–3,200 W
The R7725 runs two hot-plug supplies as a 1+1 redundant pair, chosen from eleven M-CRPS units in 60 mm and 73.5 mm sizes. Ordinary AC options span 800 W Platinum to 3200 W Titanium; high-voltage sites can use a 1500 W or 3200 W model rated for 277 VAC or 336 VDC, and telco rooms a 1400 W model fed from −48 to −60 VDC.
AC277 VAC / HVDC
Low-line (100–120 V) output: 1400 W from the 2400 W Titanium and 1050 W from the 1500 W and 1100 W units. The 1800 W and 3200 W AC supplies are rated for high line only.
Dell’s rating table gives the 3200 W AC unit 2900 W at 200–240 V and its full 3200 W at 220.1–240 V, so check the feed voltage before counting on the top figure.
Leads differ by unit: C19 for the 3200 W and 2400 W Titanium, C16 for 1800 W, C13 for 1500 W and below, APP/Saf-D-Grid for the 277 V units and a DC cable for −48 V.
In Dell’s acoustic test of a GPU build — two double-width cards at up to 450 W and two 100 GbE OCP adapters — the supplies were 3200 W units.
Pair identical supplies. If the two differ at boot, the system enables only the higher-wattage unit and flags a mismatch in BIOS or iDRAC; one hot-added later stays disabled unless its rating equals the unit already running.
07 — Management, security & OS
Run it, secure it, choose the OS
Management
iDRAC10 with Core, Enterprise or Datacenter licence
iDRAC Direct
iDRAC RESTful API with Redfish, and Racadm CLI
iDRAC Service Module
Quick Sync 2 wireless module
OpenManage Enterprise with Power Manager, Services, Update Manager and APEX AIOps Observability
OME integrations for VMware vCenter (Aria Operations), Microsoft System Center and Windows Admin Center
Red Hat Ansible Collections and Terraform Providers
Data at Rest Encryption (SEDs, local or external key management)
System Lockdown (iDRAC10 Enterprise or Datacenter)
Secure Erase
TPM 2.0 FIPS, CC-TCG certified
Chassis Intrusion Detection
Operating systems
Canonical Ubuntu Server LTS
Microsoft Windows Server with Hyper-V
Red Hat Enterprise Linux
SUSE Linux Enterprise Server
VMware ESXi
08 — Compare
R7625 → R7725
The R7725 against the 4th Gen EPYC R7625 it replaces. Each cell is taken from the product comparison table in Dell’s R7725 technical guide.
4th Gen EPYC (Genoa)PowerEdge R7625
5th Gen EPYC 9005PowerEdge R7725
Processors
2 × 4th Gen EPYC (SP5) · up to 128 cores
2 × EPYC 9005 · up to 192 Zen5 cores
Memory
24 × DDR5 RDIMM · up to 4800 MT/s
24 × DDR5 RDIMM · up to 6400 MT/s
Front bays
Up to 12 × 3.5", 24 × 2.5" SAS/SATA/NVMe or 32 × E3.S
Up to 12 × 3.5", 24 × 2.5" SAS/SATA or 40 × E3.S Gen5
Rear bays
Up to 4 × 2.5" or 4 × E3.S
None
Accelerators
2 × double-width 300 W or 6 × single-width 75 W
2 × double-width 450 W or 6 × single-width
PCIe
Up to 4 × Gen5
Up to 8 × Gen5
RAID
HBA355i, H355, H755, H755N, H965i, HBA465i · S160
H365i, H965i, H975i · no software RAID
Networking
Optional 2 × 1 GbE LOM · 1 × OCP 3.0
2 × OCP NIC 3.0 · 1 Gb BMC port
Management
iDRAC9
iDRAC10
Depth (with bezel)
772.13 mm
802.4 mm
Source: Dell PowerEdge R7725 Technical Guide (June 2026, Rev. A05), Table 2 — comparison of PowerEdge R7725 and R7625.
The R7725 family side by side
Dell’s other EPYC 9005 rack servers sit either side of the R7725: the storage-dense R7725xd, the single-socket 2U R7715 and the two-socket 1U R6725. The 4th Gen EPYC R7625 is its predecessor, and the 2U Xeon 6 R770 is included for comparison. The bars show the limits each document sets.
This modelSiblings and successorEach value from that model’s own verified spec file · bars scale per column
Five R7725 builds, each checked against the thermal tables in Dell’s guide and limited to parts our configurator allows on this model. Every one opens pre-filled for you to adjust.
Virtualisation
192-core consolidation host
Dell names virtualisation as a key R7725 workload. Two 96-core 9655s give 192 cores, and a 96 GB module on each of the 24 channels puts 2.25 TB behind them at 6400 MT/s. Sixteen E3.S Gen5 drives hold the datastore; Dell’s matrix clears the 400 W 9655 for this front with HPR Gold fans at 35°C.
2 × AMD EPYC 9655 — 96 cores @ 2.6 GHz, 400 W each
24 × 96 GB DDR5-6400 RDIMM — 2.25 TB, one DIMM per channel
VDI is also on Dell’s key-workload list. Two double-width NVIDIA A16 cards sit in riser configuration RC4 behind the 16 × 2.5-inch SAS/SATA front, one of the fronts Dell clears for double-width cards at 35°C, and 768 GB of DDR5 is well above the 196–256 GB Dell suggests for two A16s.
2 × AMD EPYC 9355 — 32 cores @ 3.55 GHz, 280 W each
2 × NVIDIA A16 64 GB (double-width, 250 W)
24 × 32 GB DDR5-6400 RDIMM — 768 GB
8 × 3.84 TB SATA SSD on the 16-bay SAS/SATA backplane
PERC H965i front controller (8 GB NV cache)
Broadcom 4 × 25GbE SFP28 OCP 3.0
2 × 2400 W Titanium (1400 W each at 100–120 V)
Double-width GPUs need riser configuration RC4 and the GPU shroud. Dell’s GPU tables list none with the 8 × 2.5-inch Universal, 24 × 2.5-inch or 40 × E3.S fronts, and GPUs are not supported at ASHRAE A3 or A4.
Two NVIDIA H200 NVL cards bring 282 GB of GPU memory. On the 8 × E3.S front Dell rates both the cards and the 360 W 9555 for 35°C inlet, and 768 GB of system memory sits above its 423–564 GB guideline for this pair. Dell’s own GPU test configuration also used 3200 W supplies and 100 GbE OCP networking.
2 × AMD EPYC 9555 — 64 cores @ 3.2 GHz, 360 W each
2 × 3200 W Titanium (C19; full rating from 220.1 V)
Dell runs the H200 NVL and RTX Pro 6000 at a 450 W cap in this chassis. With the 16 × 2.5-inch + 8 × NVMe front the H200 NVL drops to 30°C, and the RTX Pro 6000 and MI350P are 30°C parts in every double-width layout except no backplane. The RTX Pro 6000 also needs a puck cable.
HPC is on Dell’s key-workload list, and two EPYC 9965s put 384 Zen5 cores into 2U with 24 channels of DDR5-6400 behind them. The no-backplane chassis drops local data drives altogether: the OS boots from BOSS-N1 and jobs reach shared storage over a 2 × 200 GbE OCP adapter.
2 × AMD EPYC 9965 — 192 cores @ 2.25 GHz, 500 W each
On air the 500 W 9965 needs the heat sink Dell’s CPU matrix calls 1U T-type (T-wing in its ASHRAE tables) and HPR Platinum fans, and Dell lists it as DLC only if double-width GPUs are added. Cards of 25 GbE and above need DAC or 85°C-rated active optics.
For per-core-licensed databases, the 16-core 9175F combines a 4.2 GHz base clock with 512 MB of cache per processor, so two sockets give 32 licensable cores. Eight NVMe drives on the Universal backplane hold data and logs, and Dell also lists a 16 × SAS/SATA + 8 × NVMe front that it labels NVMe RAID.
2 × AMD EPYC 9175F — 16 cores @ 4.2 GHz, 320 W each
24 × 64 GB DDR5-6400 RDIMM — 1.5 TB
8 × 3.84 TB 2.5-inch NVMe on the 8-bay Universal backplane — 30.72 TB raw
BOSS-N1 DC-MHS boot mirror
Broadcom 2 × 25GbE SFP28 OCP 3.0
2 × 1500 W Titanium (1050 W each at 100–120 V)
NVMe drives in the 8 × 2.5-inch Universal chassis are not supported at ASHRAE A3 or A4 (40–45°C), so keep this build in an A2 environment.
If PCIe Gen5, DDR5-6400 and 500 W EPYC parts are more than the job needs, a re-certified earlier PowerEdge covers much of the same ground on a smaller budget, including an earlier AMD two-socket model.
14G · re-certified
PowerEdge R7425
2U · 2 × AMD EPYC 7001
Up to 64 cores
32 DIMM slots · up to 4 TB DDR4
24 × 2.5" or 12 × 3.5" · iDRAC9
The nearest AMD match: a dual-socket EPYC host for virtualisation or analytics where DDR4 and an older platform are acceptable.
86.8 × 482.0 × 802.4 mm with bezel · 801.51 mm deep without
Weight (all drives fitted)
24.33 kg (8 × E3.S) to 31.8 kg (24 × 2.5"); the 12 × 3.5" row prints 36.1 kg beside 69.67 lb, which do not match · the comparison table’s “max 25.1 kg” is the no-backplane row’s figure
Cooling
Air, or Direct Liquid Cooling (DLC) for processors
Fans
Up to six hot-plug — HPR Silver, HPR Gold or HPR Platinum · N+1 redundancy
Bezel
Optional metal bezel
Rails
B21 ReadyRails or B22 Stab-in/Drop-in sliding (4-post) · B20 static (4-post and 2-post) · optional CMA or SRB
NVIDIA BlueField-3 B3220 (2 × 200 GbE) or B3240 (1 × 400 GbE); B3140H not at launch
Accelerators
GPU envelope
Up to 2 × double-width 450 W or 6 × single-width 75 W
Listed cards
NVIDIA L4, L40S, A16, H100 NVL, H200 NVL, RTX Pro 6000 Blackwell SE · AMD Instinct MI350P
Power
Supplies
Two hot-plug, 1+1 redundant · M-CRPS 60 mm and 73.5 mm
AC options
Platinum 800 / 1100 W · Titanium 800 / 1100 / 1500 / 1800 / 2400 / 3200 W
277 VAC / 336 VDC
1500 W and 3200 W Titanium
DC input
1400 W, −48 to −60 V DC
Ports & video
Front
USB 2.0 Type-A and Mini DisplayPort (optional LCP KVM) · USB 2.0 Type-C HOST/BMC Direct
Rear
2 × USB 3.1 Type-A · 1 × VGA · 1 × 1 GbE BMC
Internal
1 × USB 3.1 Type-A (optional)
Video
Up to 1920 × 1200 at 60 Hz
Environment & acoustics
ASHRAE A2
10–35°C up to 900 m; maximum falls 1°C per 300 m above
ASHRAE A3 / A4
5–40°C / 5–45°C with restrictions: CPUs to 240 W / 195 W in most per-layout tables (none with 32 × E3.S; the general fresh-air list says under 180 W), no GPUs, DIMMs under 64 GB
Sound power (LwA,m)
6.1–7.4 B idle at 25°C · 8.1–9.2 B at maximum load, 35°C (Dell test configurations)
12 — FAQ
R7725 questions, answered from the documentation
What is the maximum memory of the Dell PowerEdge R7725?
Twenty-four DDR5 RDIMM slots — twelve per socket, one on each memory channel — give the R7725 a 6 TB ceiling when every slot holds a 256 GB module. Dell also documents CXL 2.0 Type 3 memory cards that take total system memory to 8,192 GB in riser configuration RC3 or RC7.
Which processors does the R7725 support?
Twenty 5th Generation AMD EPYC 9005 SKUs, always in pairs: from the 8-core 9015 at 125 W to the 192-core 9965 at 500 W. The 9575F and 9175F reach a 5.0 GHz maximum clock, and the 160-core 9845 and 144-core 9825 are both 390 W parts.
How many drive bays does the R7725 have?
Up to 40 EDSFF E3.S Gen5 NVMe bays at the front. Other layouts include 24 × 2.5-inch SAS/SATA, 16 × 2.5-inch SAS/SATA plus 8 × NVMe, 8 × 2.5-inch Universal and 12 × 3.5-inch SAS/SATA. No configuration has rear drive bays.
How many GPUs does the R7725 support?
Two double-width GPUs at up to 450 W, or six single-width cards. Dell lists the NVIDIA L4, L40S, A16, H100 NVL, H200 NVL and RTX Pro 6000 Blackwell Server Edition, plus the AMD Instinct MI350P. Double-width cards need riser configuration RC4 and are marked N/A with the 8 × 2.5-inch Universal, 24 × 2.5-inch and 40 × E3.S fronts.
How many PCIe slots does the R7725 have?
Up to eight PCIe Gen5 slots, x8 or x16, depending on which of six riser configurations is fitted, plus two OCP NIC 3.0 slots. Slots 2 and 7 take full-length double-width cards, and each processor supplies up to 128 lanes of high-speed I/O.
What power supplies are available for the R7725?
Two hot-plug units in a 1+1 pair. AC choices run from an 800 W Platinum to a 3200 W Titanium; Dell also offers 1500 W and 3200 W versions that accept 277 VAC or 336 VDC, plus a 1400 W supply for −48 to −60 VDC telco power. At 100–120 V the 2400 W unit is rated 1400 W and the 1500 W and 1100 W units 1050 W.
How big and heavy is the PowerEdge R7725?
Dell gives a height of 86.8 mm, a width of 482.0 mm and a depth of 801.51 mm, or 802.4 mm once the bezel is on. Its weight table runs from 24.33 kg for the 8 × E3.S build to 31.8 kg for 24 × 2.5-inch drives; for 12 × 3.5-inch it prints 36.1 kg next to 69.67 lb, two figures that do not match. Its comparison table instead quotes a 25.1 kg maximum, the weight table’s no-backplane figure.
How does the R7725 differ from the R7725xd?
The R7725xd is the storage-dense variant: an NVMe-only front of 24 × 2.5-inch U.2 Gen5 or 40 × E3.S/E3.L drives, no RAID controllers, one Gen3 x4 OCP slot, up to five PCIe slots, no GPUs, air cooling only and a 3 TB memory limit. The R7725 keeps GPUs, eight Gen5 slots, two OCP slots, DLC and 6 TB.
What changed from the R7625 to the R7725?
Dell’s comparison has the R7725 moving from 4th Gen EPYC with up to 128 cores to EPYC 9005 with up to 192, memory from 4800 to 6400 MT/s, Gen5 slots from four to eight and double-width GPU power from 300 W to 450 W. Rear drive bays and S160 software RAID are dropped, and iDRAC9 gives way to iDRAC10.
Is the Dell PowerEdge R7725 end of life?
No date appears in the R7725 guide for end of sale or end of service. What it does describe is Post Standard Support, an option adding as much as five further years of hardware support after ProSupport’s initial seven-year term. We track PowerEdge dates as Dell publishes them in our end-of-life checker.
Specifications are extracted from Dell’s published documents and independently re-checked line by line. Configurations are quote-based; availability and exact options are confirmed at quotation. Last reviewed 2026-09-11.
