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⚡ Supermicro SYS-821GE vs SYS-421GE-TNHR2 vs AS-4125GS-TNRT

AI-powered analysis across 3 matched specifications

Supermicro SYS-821GE-TNHR 8U NVIDIA HGX H100 H200 GPU server front view
SYS-821GE-TNHR
Supermicro
7.5
Overall Score
Strong fit for environments that have an existing investment in or skills bench for this vendor's ecosystem.
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Supermicro SYS-421GE-TNHR2-LCC 4U liquid-cooled NVIDIA HGX H100 H200 GPU AI server front view
SYS-421GE-TNHR2-LCC
Supermicro
7.5
Overall Score
Strong fit for environments that have an existing investment in or skills bench for this vendor's ecosystem.
View Full Details
Supermicro AS-4125GS-TNRT 4U AMD EPYC GPU server front view
AS-4125GS-TNRT
Supermicro
7.5
Overall Score
Strong fit for environments that have an existing investment in or skills bench for this vendor's ecosystem.
View Full Details
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Performance Overview

Scores based on quantifiable specification values (1-10 scale)

ComputeMemoryNetworkingPower / CoolingEcosystem
SYS-821GE-TNHR
SYS-421GE-TNHR2-LCC
AS-4125GS-TNRT
Compute
SYS-821GE-TNHR
7.5
SYS-421GE-TNHR2-LCC
7.5
AS-4125GS-TNRT
7.5
Memory
SYS-821GE-TNHR
7.5
SYS-421GE-TNHR2-LCC
7.5
AS-4125GS-TNRT
7.5
Networking
SYS-821GE-TNHR
7.5
SYS-421GE-TNHR2-LCC
7.5
AS-4125GS-TNRT
7.5
Power / Cooling
SYS-821GE-TNHR
7.5
SYS-421GE-TNHR2-LCC
7.5
AS-4125GS-TNRT
7.5
Ecosystem
SYS-821GE-TNHR
7.5
SYS-421GE-TNHR2-LCC
7.5
AS-4125GS-TNRT
7.5

Detailed Specifications

Specification
SYS-821GE-TNHR
Supermicro
SYS-421GE-TNHR2-LCC
Supermicro
AS-4125GS-TNRT
Supermicro
At a Glance
Brand & ModelSupermicro SYS-821GE-TNHRSupermicro SYS-421GE-TNHR2-LCCSupermicro AS-4125GS-TNRT
TaglineFlagship 8-GPU AI Training Platform — Up to 8x NVIDIA H200 SXM in 8U Air-CooledHigh-Density 4U AI Training Server — 8× NVIDIA HGX H100/H200 with Direct-to-Chip Liquid CoolingFlexible 4U AMD EPYC GPU Platform — Up to 8 PCIe GPUs for AI, HPC, and Mixed Workloads
Highlights
Key Features8× NVIDIA HGX H100 (80GB) or H200 (141GB) SXM GPUs · NVIDIA NVLink + NVSwitch GPU-to-GPU interconnect · Dual 5th/4th Gen Intel Xeon Scalable (LGA-4677) — up to 64C/128T each · 32× DDR5 DIMM slots — up to 8TB at 5600MT/s ECC8× NVIDIA HGX H100 (80GB) or H200 (141GB) SXM GPUs · Direct-to-Chip (D2C) liquid cooling — higher sustained clocks, lower PUE · Dual 5th/4th Gen Intel Xeon Scalable (LGA-4677) — up to 64C/128T each · 32× DDR5 DIMM slots — up to 8TB at 5600MT/s (1DPC) or 4TB at 5600MT/s ECCUp to 8× double-width PCIe GPU support — wide compatibility matrix · Compatible: NVIDIA H100, H100 NVL, L40, L40S, A100, RTX 6000 Ada, AMD MI210 · Dual AMD EPYC 9005/9004 — up to 160 cores / 320 threads total system · Up to 6TB DDR5 ECC across 24 DIMM slots
At a Glance
Brand & Model
SYS-821GE-TNHRSupermicro SYS-821GE-TNHR
SYS-421GE-TNHR2-LCCSupermicro SYS-421GE-TNHR2-LCC
AS-4125GS-TNRTSupermicro AS-4125GS-TNRT
Tagline
SYS-821GE-TNHRFlagship 8-GPU AI Training Platform — Up to 8x NVIDIA H200 SXM in 8U Air-Cooled
SYS-421GE-TNHR2-LCCHigh-Density 4U AI Training Server — 8× NVIDIA HGX H100/H200 with Direct-to-Chip Liquid Cooling
AS-4125GS-TNRTFlexible 4U AMD EPYC GPU Platform — Up to 8 PCIe GPUs for AI, HPC, and Mixed Workloads
Highlights
Key Features
SYS-821GE-TNHR8× NVIDIA HGX H100 (80GB) or H200 (141GB) SXM GPUs · NVIDIA NVLink + NVSwitch GPU-to-GPU interconnect · Dual 5th/4th Gen Intel Xeon Scalable (LGA-4677) — up to 64C/128T each · 32× DDR5 DIMM slots — up to 8TB at 5600MT/s ECC
SYS-421GE-TNHR2-LCC8× NVIDIA HGX H100 (80GB) or H200 (141GB) SXM GPUs · Direct-to-Chip (D2C) liquid cooling — higher sustained clocks, lower PUE · Dual 5th/4th Gen Intel Xeon Scalable (LGA-4677) — up to 64C/128T each · 32× DDR5 DIMM slots — up to 8TB at 5600MT/s (1DPC) or 4TB at 5600MT/s ECC
AS-4125GS-TNRTUp to 8× double-width PCIe GPU support — wide compatibility matrix · Compatible: NVIDIA H100, H100 NVL, L40, L40S, A100, RTX 6000 Ada, AMD MI210 · Dual AMD EPYC 9005/9004 — up to 160 cores / 320 threads total system · Up to 6TB DDR5 ECC across 24 DIMM slots
★

Expert Analysis

AI-assisted analysis based on published specifications

Supermicro SYS-821GE vs SYS-421GE-TNHR2 vs AS-4125GS-TNRT — these platforms target similar requirements at this tier. Detailed selection depends on existing vendor estate, support / SLA preferences, and total cost of ownership over the platform lifecycle. Servnet provides vendor-neutral guidance — request a side-by-side scoped quote and we'll model your specific workloads against each option.

SYS-821GE-TNHR
Strong fit for environments that have an existing investment in or skills bench for this vendor's ecosystem.
SYS-421GE-TNHR2-LCC
Strong fit for environments that have an existing investment in or skills bench for this vendor's ecosystem.
AS-4125GS-TNRT
Strong fit for environments that have an existing investment in or skills bench for this vendor's ecosystem.

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SYS-821GE-TNHR
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