TodayToday's edition
53 specs listed, 49 of them differ. Each value is the maker's own; nothing is converted or scored.
| Field | Supermicro Supermicro SYS-521R-T | Supermicro Supermicro SYS-751GE-TNRT |
|---|---|---|
| Part number | SYS-521R-T | SYS-751GE-TNRT |
| Specs, as each maker lists them | ||
| CPU | Single processor(s), Intel® Xeon® E-2400 series Processors and 12th Gen. Pentium® Processors | Dual Socket E (LGA-4677), 5th Gen Intel® Xeon® / 4th Gen Intel® Xeon® Scalable processors |
| Memory | Slot Count: 2 DIMM slots, Max Memory (1DPC): Up to 64GB 4800MT/s ECC DDR5 UDIMM | Slot Count: 16 DIMM slots, Max Memory (1DPC): Up to 2TB 5600MT/s ECC DDR5 RDIMM |
| BIOS Type | AMI 256MB SPI Flash | AMI 32MB SPI Flash EEPROM |
| Core Count | Up to 8C/16T | Up to 64C/128T; Up to 320MB Cache per CPU |
| Motherboard | Super X13SCL-IF | Super X13DEG-QT |
| Processor Note | Supports up to 80W TDP CPUs (Air Cooled) | Supports up to 350W TDP CPUs (Liquid Cooled) |
| Chassis - Model | CSE-721TQ-350B2 | CSE-759TS-R2K21BP |
| Front Panel - LED | Fan Fail/System Over Heat LED, HDD activity LED, Network activity LEDs, Power status LED | HDD activity LED, Information LED, Network 1 activity LED, Network 2 activity LED, Power status LED |
| Operating Systems | Oracle Linux 9.2, RHEL 9.2, Windows Server 2022, Windows Server 2025 | Oracle Linux 9.0, RHEL 9.0, Windows Server 2022, Windows Server 2025 |
| Front Panel - Port | USB 3.0 Port(s) | Not listed |
| Security - Features | Supply Chain Security: Remote Attestation, Runtime BMC Protections | Cryptographically Signed Firmware, Secure Boot, Secure Firmware Updates, Automatic Firmware Recovery, Supply Chain Security: Remote Attestation, Runtime BMC Pro |
| Default Power Supply | 1x 350W Gold Level (92%) power supply | 1x 2200W Redundant Titanium Level (96%) power supply |
| Input / Output - USB | 2 USB 3.2 Gen1 Type-A ports (rear), 2 USB 2.0 Type-A ports (rear), 2 USB 3.2 Gen1 Type-A ports (front) | 2 USB 3.2 Gen1 ports (front), 3 USB 3.2 Gen1 ports (rear), 1 USB 3.2 Gen2 port (rear) |
| Chassis - Form Factor | Compact Mini-Tower | Tower or 5U Rackmount |
| Front Panel - Buttons | Power On/Off button, System Reset button | Power On/Off button, Reset button |
| System Cooling - Fans | Up to 1x 120mm Fan(s) | Up to 1 fan 8cm Fan(s), Up to 2 fan 12cm Fan(s), Up to 1 liquid cooling Fan(s) |
| On-Board Devices - SATA | SATA (6Gbps) | SATA (6Gbps); RAID 0/1/5/10 support |
| Drive Bays / Storage - M.2 | 1 M.2 PCIe 4.0 x4 NVMe slot (M-key 2280) | 2 M.2 NVMe slots (M-key 2280/22110) |
| Default Power Supply - +12V | Max: 28A / Min: 0.1A (100Vac-240Vac) | Max: 100A / Min: 0A (100Vac-127Vac), Max: 150A / Min: 0A (200Vac-220Vac), Max: 165A / Min: 0A (220Vac-230Vac), Max: 174.17A / Min: 0A (230Vac-240Vac), Max: 183. |
| Default Power Supply - 5V SB | Max: 2A / Min: 0.05A | Not listed |
| Default Power Supply - Input | 350W: 100-240Vac / 50-60Hz | 1200W: 100-127Vac / 50-60Hz, 1800W: 200-220Vac / 50-60Hz, 1980W: 220-230Vac / 50-60Hz, 2090W: 230-240Vac / 50-60Hz, 2090W: 230-240Vdc / 50-60Hz (for CQC only), |
| PC Health Monitoring - Voltage | +1.8V, +12V, +3.3V, +5V, +5V standby, 10 -fan status, 3.3V standby, HT, Memory, VBAT | Not listed |
| Management - Power configurations | ACPI 6.0 Power Management | ACPI/APM Power Management |
| Default Power Supply - Output Type | 24pin ATX | Backplanes (gold finger) |
| Default Power Supply - Certification | Gold Level | Not listed |
| Chassis Dimensions and Weight - Depth | 11" (279.4 mm) | 27.6" (701 mm) |
| Chassis Dimensions and Weight - Width | 8.27" (210.06 mm) | 17.9" (454.7 mm) |
| Chassis Dimensions and Weight - Height | 9.45" (240.03 mm) | 8.6" (218.4 mm) |
| Chassis Dimensions and Weight - Weight | Gross Weight: 15 lbs (6.8 kg), Net Weight: 13.5 lbs (6.12 kg) | Gross Weight: 121 lbs (55 kg), Net Weight: 97 lbs (44 kg) |
| Drive Bays / Storage - Peripheral Bays | 1 bay | Not listed |
| Chassis Dimensions and Weight - Package | 13.78" (H) x 12.4" (W) x 16.14" (D) | 25.8" (H) x 15.3" (W) x 37.6" (D) |
| On-Board Devices - Network Connectivity | 1 RJ45 1GbE with Realtek RTL8211F PHY (dedicated IPMI), 2 RJ45 1GbE with Intel® I210 | 2 RJ45 10GbE with Intel® X550-AT2, 1 RJ45 1GbE with ASPEED AST2600, 1 SFP28 25GbE (optional) |
| Default Power Supply - Dimension (WxHxL) | 81.5 x 40.5 x 150 mm | 106.5 x 82.1 x 203.5 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 25°C (50°F to 77°F), Non-operating Temperature: -40°C to 60°C (-40°F to 140°F), Operating Relative Humidity: 8% to 90% (non-conde |
| Chassis Dimensions and Weight - Available Color | Black | Black Front & Black Body |
| Drive Bays / Storage - Drive Bays Configuration | Default: Total 4 bays; 4 front hot-swap 3.5" PCIe 4.0 x4 NVMe*/SAS*/SATA drive bays | (*NVMe/SAS support may require additional storage controller and/or cables | Default: Total 8 bays; 8 front hot-swap 2.5" NVMe/SAS*/SATA drive bays | (*SAS support may require additional storage controller and/or cables, please see the o |
| Expansion Slots - PCI-Express (PCIe) Configuration | Default: 1 PCIe 5.0 x16 HHHL slot | Default: 6 PCIe 5.0 x16 FHFL slots |
| Max GPU Count | Not listed | Up to 4 double-width GPUs |
| Supported GPU | Not listed | NVIDIA PCIe: A100 |
| CPU-GPU Interconnect | Not listed | PCIe 4.0 x16 CPU-to-GPU Interconnect |
| GPU-GPU Interconnect | Not listed | NVIDIA® NVLink™ Bridge (optional) |
| Input / Output - DOM | Not listed | 2 SATA DOM (Disk on Module) ports |
| Input / Output - LAN | Not listed | 1 RJ45 1 GbE Dedicated BMC LAN port, 2 RJ45 10 GbE LAN ports |
| Input / Output - Audio | Not listed | 7.1 HD Audio, Line Out, Mic in |
| PC Health Monitoring - CPU | Not listed | 8+4 Phase-switching voltage regulator; Monitors for CPU Cores, Chipset Voltages, Memory |
| PC Health Monitoring - Fan | Not listed | Fans with tachometer monitoring, Pulse Width Modulated (PWM) fan connectors, Status monitor for speed control |
| Default Power Supply - 12V SB | Not listed | Max: 3A / Min: 0A |
| System Cooling - Liquid Cooling | Not listed | Direct to Chip (D2C) Cold Plate (optional) |
| PC Health Monitoring - Temperature | Not listed | Monitoring for CPU and chassis environment, Thermal Control for fan connectors |
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.