TodayToday's edition
46 specs listed, 35 of them differ. Each value is the maker's own; nothing is converted or scored.
| Field | Supermicro Supermicro SSG-521E-E1CR24H | Supermicro Supermicro SSG-640P-E1CR24H |
|---|---|---|
| Part number | SSG-521E-E1CR24H | SSG-640P-E1CR24H |
| Specs, as each maker lists them | ||
| CPU | Single Socket E (LGA-4677), 5th Gen Intel® Xeon® / 4th Gen Intel® Xeon® Scalable processors | Dual Socket P+ (LGA-4189), 3rd Gen Intel® Xeon® Scalable processors |
| Memory | Slot Count: 16 DIMM slots, Max Memory (2DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM | Slot Count: 16 DIMM slots, Max Memory (2DPC): Up to 4TB 3200MT/s ECC DDR4, Supports Intel® Optane™ persistent memory 200 series |
| BIOS Type | AMI 32MB SPI Flash EEPROM | AMI 128MB SPI Flash EEPROM |
| Core Count | Up to 36C/72T; Up to 180MB Cache | Up to 38C/76T; Up to 57MB Cache per CPU |
| Motherboard | Super X13SEDW-F | Super X12DPi-NT6 |
| Memory Voltage | 1.1V | 1.2V |
| Processor Note | Supports 120W - 300W TDP CPUs (Air Cooled) | Supports 120W - 270W TDP CPUs (Air Cooled) |
| Chassis - Model | CSE-826S3TS-R1K62P1 | CSE-846BE1C-R1K23B |
| Front Panel - LED | Network activity, Power status, SSD activity, System information (overheat/UID) | Fan Fail/System Over Heat LED, HDD activity LED, Network Activity LEDs, Power status LED, Unit Identification (UID) LED |
| Operating Systems | Oracle Linux 9.0, RHEL 9.0, Windows Server 2022, Windows Server 2025 | Oracle Linux 8.3, RHEL 8.2, RHEL 9.0, Windows Server 2019, Windows Server 2022 |
| Security - Features | Cryptographically Signed Firmware, Secure Boot, Secure Firmware Updates, Automatic Firmware Recovery, Supply Chain Security: Remote Attestation, Runtime BMC Pro | Cryptographically Signed Firmware, Secure Boot, Secure Firmware Updates, Automatic Firmware Recovery, System Lockdown |
| Default Power Supply | 2x 1600W Redundant Titanium Level (96%) Hot-plug power supplies | 2x 1200W Redundant Titanium Level (96%) Hot-plug power supplies |
| Input / Output - USB | 2 USB 3.0 ports (rear) | 4 USB 3.0 ports (rear) |
| Chassis - Form Factor | 2U Rackmount | 4U |
| Front Panel - Buttons | Power On/Off | Power On/Off button, System Reset button |
| System Cooling - Fans | Up to 4 Heavy Duty 8cm Fan(s) | Up to 5 Heavy Duty 8cm Fan(s) |
| Drive Bays / Storage - M.2 | 2 M.2 NVMe/SATA slots (M-key 2280/22110) | 1 M.2 NVMe slot (M-key) |
| PC Health Monitoring - CPU | 7 Phase-switching voltage regulator; Monitors for CPU Cores, Chipset Voltages, Memory | 4+1 Phase-switching voltage regulator; Monitors for CPU Cores, Chipset Voltages, Memory |
| Default Power Supply - +12V | Max: 83.3A / Min: 0A (100Vac-127Vac), Max: 133A / Min: 0A (200Vac-240Vac) | Max: 83A / Min: 0A (100Vac-127Vac), Max: 100A / Min: 0A (200Vac-240Vac), Max: 100A / Min: 0A (200Vdc-240Vdc) |
| Default Power Supply - Input | 1000W: 100-127Vac / 50-60Hz, 1600W: 200-240Vac / 50-60Hz | 1000W: 100-127Vac / 50-60Hz, 1200W: 200-240Vac / 50-60Hz, 1200W: 200-240Vdc / 50-60Hz (for CCC only) |
| Default Power Supply - 12V SB | Max: 2.1A / Min: 0A | Not listed |
| Default Power Supply - Certification | Titanium Level, [ Test Report ] | Not listed |
| Chassis Dimensions and Weight - Depth | 34" | 26" (660 mm) |
| Chassis Dimensions and Weight - Width | 17.2" | 17.2" (437 mm) |
| Chassis Dimensions and Weight - Height | 3.5" | 7" (178 mm) |
| Chassis Dimensions and Weight - Weight | Gross Weight: 74.5 lbs (33.79 kg), Net Weight: 52 lbs (23.59 kg) | Gross Weight: 118 lbs (53.52 kg), Net Weight: 86 lbs (39 kg) |
| Chassis Dimensions and Weight - Package | 12" (H) x 29" (W) x 52" (D) | 26.5" (H) x 34.3" (W) x 13.5" (D) |
| On-Board Devices - Network Connectivity | Via AIOM | 2 RJ45 10GBASE-T with Intel® X550 |
| Default Power Supply - Dimension (WxHxL) | 73.5 x 40 x 203 mm | 76 x 40 x 336 mm |
| Operating Environment - Environmental Spec. | Operating Temperature: 10°C to 35°C (50°F to 95°F), Non-operating Temperature: -40°C to 60°C (-40°F to 140°F), Operating Relative Humidity: 8% to 90% (Non-Conde | Operating Temperature: 10°C to 35°C (50°F to 95°F), Non-operating Temperature: -40°C to 60°C (-40°F to 140°F), Operating Relative Humidity: 8% to 90% (), Non-op |
| Chassis Dimensions and Weight - Available Color | Silver | Black |
| Drive Bays / Storage - Drive Bays Configuration | Default: Total 26 bays; 12 front hot-swap 3.5" SAS/SATA drive bays, 12 top-loading hot-swap 3.5" SAS/SATA drive bays, 2 rear hot-swap 2.5" SATA drive bays | Opt | Default: Total 26 bays; 24 front hot-swap 3.5" SAS/SATA drive bays, 2 rear hot-swap 2.5" SAS*/SATA drive bays | (*SAS support may require additional storage con |
| Expansion Slots - PCI-Express (PCIe) Configuration | Default: 4 PCIe 5.0 x8 FHHL slots, 2 PCIe 5.0 x16 FHHL slots, 1 PCIe 5.0 x16 AIOM slot (OCP 3.0 compatible); Option A: 2 PCIe 5.0 x8 FHHL slots, 2 PCIe 5.0 x16 | Default: 3 PCIe 4.0 x16 LP slots, 1 PCIe 4.0 x8 LP slot |
| On-Board Devices - BMC | Not listed | ASPEED AST2600 BMC |
| Default Power Supply - 5V SB | Not listed | Max: 4A / Min: 0A |
Shaded rows differ. Rows are matched by their label, so two makers' names for the same figure can sit on separate rows; hover a value to see its maker's own label where it differs.