| Key metrics |
| Form factor | 2U rack server, 2-socket (2P) | 2U rack server, 2-socket (2P) | 2U rack server, 2-socket (2P) |
| Max cores per socket | 64 (5th Gen Xeon Scalable) | 144 (Xeon 6 E-Core) | 64 (5th Gen Xeon Scalable) |
| Max memory | 8 TB | 8 TB | 8 TB |
| Max PCIe slots | 8 | 8 | 12 |
| Max GPUs | 6 single-wide / 2 double-wide | 8 single-wide / 3 double-wide | 8 single-wide / 3 double-wide |
| Processor |
| Processor | Up to two 4th Gen Intel Xeon Scalable / Xeon Max (up to 56c) or 5th Gen Intel Xeon Scalable (up to 64c) | Up to two Intel Xeon 6 processors, E-Core (up to 144c) or P-Core | Up to two 4th or 5th Gen Intel Xeon Scalable (up to 64c) |
| Socket | LGA 4677 | Intel Xeon 6 (6500/6700 series) | LGA 4677 |
| Max core count (per socket) | 64 | 144 | 64 |
| Max TDP | -- | 330W (6780E) / 350W (P-Core) | 385W |
| Memory |
| Memory type | DDR5 RDIMM (ECC) | HPE DDR5 Smart Memory RDIMM | Lenovo TruDDR5 RDIMM |
| Memory (DIMM slots) | 32 | 32 | 32 |
| Memory channels per CPU | 8 | 8 | 8 |
| Max memory speed | 5600 MT/s (5th Gen, 1DPC) | 6400 MT/s (1DPC) | 5600 MT/s (1DPC); 4800 MT/s (2DPC) |
| Max memory capacity | 8 TB | 8 TB | 8 TB |
| Storage |
| Drive bay options | Up to 12 x 3.5" or up to 24 x 2.5" (SAS/SATA/NVMe); up to 16 x EDSFF E3.S; optional rear bays | Up to 24 SFF, 8/12 LFF, or up to 36 EDSFF E3.S; optional rear bays | Up to 40 x 2.5" or 20 x 3.5" AnyBay (SAS/SATA/NVMe); rear + M.2 |
| Max NVMe drives | 24 x 2.5" NVMe / 16 x EDSFF E3.S | 36 EDSFF E3.S NVMe | Up to 36 NVMe (20 at 1:1 non-oversubscribed) |
| RAID / storage controllers | PERC H965i, H755, H755N, H355; HBA355i; BOSS-N1 boot | HPE MR416i-p/MR416i-o, MR216i-p/MR216i-o, MR408i; Intel VROC | Lenovo RAID adapters; VROC (VMD) software RAID; M.2 boot |
| Networking |
| Networking | OCP 3.0 NIC and/or PCIe NIC; optional 2 x 1GbE LOM; MIC for DPU (25/100GbE) | OCP 3.0 and/or PCIe NIC; up to 200GbE; optional front OCP (post-launch) | OCP 3.0 NIC slot and/or PCIe NIC |
| OCP 3.0 support | 1 x OCP 3.0 | Up to 2 x OCP 3.0 (rear) | 1 x OCP 3.0 |
| Max network speed | -- | 200GbE | 100GbE |
| Expandability |
| Max PCIe slots | Up to 8 (Gen4/Gen5 mix) | Up to 8 PCIe Gen5 + up to 2 OCP 3.0 | Up to 12 (Gen4/Gen5) |
| PCIe generation | Gen4 / Gen5 | Gen5 | Gen4 / Gen5 |
| GPU support | Up to 6 single-wide or 2 double-wide | Up to 8 single-wide or 3 double-wide | Up to 8 single-wide or 3 double-wide |
| Management |
| Management controller | iDRAC9 with Lifecycle Controller | HPE iLO 7 (secure enclave) | Lenovo XClarity Controller 2 (XCC2) |
| APIs / standards | Redfish API; OpenManage Enterprise | Redfish API; HPE Compute Ops Management | Redfish; IPMI 2.0; XClarity Administrator |
| Security | Silicon Root of Trust, SCV, MFA, TPM 2.0, Secure Boot, signed firmware | Silicon Root of Trust, secure enclave, PQC/CNSA 2.0 firmware signing, SGX, TDX | TPM 2.0, Root of Trust, Platform Firmware Resiliency, ThinkShield |
| Power & cooling |
| Power supplies | 700W–3200W Titanium / 1400W–2400W Platinum, hot-swap redundant | Flex Slot Titanium (e.g. 1000W), hot-plug redundant | 750W / 1100W / 1800W / 2400W / 2600W Platinum or Titanium, redundant |
| Cooling | Air (Smart Flow chassis); optional Direct Liquid Cooling | Air (standard/performance), closed-loop liquid (CLLC), or direct liquid cooling | Air cooling (hexagonal vent design) |
| Form factor |
| Chassis | 2U rack-mountable | 2U rack-mountable | 2U rack-mountable |
| Dimensions (H x W x D) | 86.8 x 482 x 758 mm (without bezel) | -- | -- |
| Warranty |
| Standard warranty | 3-year ProSupport (varies by configuration) | 3/3/3 (3-yr parts, labour, on-site) | 1- or 3-year CRU + on-site NBD; mission-critical upgrades optional |
