TodayToday's edition
46 specs listed, 37 of them differ. Each value is the maker's own; nothing is converted or scored.
| Field | Supermicro Supermicro SYS-521R-T | Supermicro Supermicro SYS-531A-IL |
|---|---|---|
| Part number | SYS-521R-T | SYS-531A-IL |
| Specs, as each maker lists them | ||
| CPU | Single processor(s), Intel® Xeon® E-2400 series Processors and 12th Gen. Pentium® Processors | Single LGA-1700, 14th/13th/12th Gen Intel® Core™ i9/i7/i5/i3 Processors |
| Memory | Slot Count: 2 DIMM slots, Max Memory (1DPC): Up to 64GB 4800MT/s ECC DDR5 UDIMM | Slot Count: 4 DIMM slots, Max Memory (2DPC): Up to 192GB 4400MT/s non-ECC DDR5 UDIMM |
| Core Count | Up to 8C/16T | Up to 24C/32T; Up to 36MB Cache |
| Motherboard | Super X13SCL-IF | Super X13SAE |
| Processor Note | Supports up to 80W TDP CPUs (Air Cooled) | Supports up to 150W TDP CPUs (Air Cooled) |
| Chassis - Model | CSE-721TQ-350B2 | CSE-735D4-668B |
| Front Panel - LED | Fan Fail/System Over Heat LED, HDD activity LED, Network activity LEDs, Power status LED | HDD activity LED, Power LED |
| Operating Systems | Oracle Linux 9.2, RHEL 9.2, Windows Server 2022, Windows Server 2025 | RHEL 8.6, RHEL 9.0, Windows 10, Windows 11 |
| Front Panel - Port | USB 3.0 Port(s) | Audio Jack(s), USB 3.0 Port(s), USB 3.2 Gen 2 Type C |
| 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 668W Platinum Level (92%) 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 2.0 Type-A ports (rear), 2 USB 3.2 Gen1 Type-A ports (front), 1 USB 3.2 Gen2 Type-C port (Rear), 1 USB 3.2 Gen2 Type-C port (Front), 3 USB 3.2 Gen1 Type-A |
| Chassis - Form Factor | Compact Mini-Tower | Mid-Tower |
| Front Panel - Buttons | Power On/Off button, System Reset button | Power On/Off button |
| System Cooling - Fans | Up to 1x 120mm Fan(s) | Up to 1x 120mm Fan(s), Up to 1x 120mm Fan(s) (optional) |
| Input / Output - Video | 1 VGA port | 1 DVI-D port, 1 DisplayPort 1.4a port, 1 port(s) supporting 4K@60Hz as specified in HDMI® 2.0b (Rear) |
| Drive Bays / Storage - M.2 | 1 M.2 PCIe 4.0 x4 NVMe slot (M-key 2280) | 3 M.2 PCIe 4.0 x4 NVMe slots (M-key 2280) |
| Default Power Supply - +12V | Max: 28A / Min: 0.1A (100Vac-240Vac) | Max: 54A / Min: 0.2A (100Vac-240Vac) |
| Default Power Supply - 5V SB | Max: 2A / Min: 0.05A | Max: 2A / Min: 0A |
| Default Power Supply - Input | 350W: 100-240Vac / 50-60Hz | 668W: 100-240Vac / 50-60Hz |
| PC Health Monitoring - Voltage | +1.8V, +12V, +3.3V, +5V, +5V standby, 10 -fan status, 3.3V standby, HT, Memory, VBAT | +1.0V PCH, +1.8V PCH, +12V, +3.3V, +5V, +5V standby, 1.05 (PCH), 3.3V standby, 5 (4-pin), CPU, CPU temperature, CPU thermal trip support, PCH temperature, Syste |
| Default Power Supply - Certification | Gold Level | Platinum Level |
| Chassis Dimensions and Weight - Depth | 11" (279.4 mm) | 21.1" (536 mm) |
| Chassis Dimensions and Weight - Width | 8.27" (210.06 mm) | 7.6" (193 mm) |
| Chassis Dimensions and Weight - Height | 9.45" (240.03 mm) | 16.7" (424 mm) |
| Chassis Dimensions and Weight - Weight | Gross Weight: 15 lbs (6.8 kg), Net Weight: 13.5 lbs (6.12 kg) | Gross Weight: 30 lbs (13.61 kg), Net Weight: 28 lbs (12.7 kg) |
| Drive Bays / Storage - Peripheral Bays | 1 bay | 2 5.25" bays |
| Chassis Dimensions and Weight - Package | 13.78" (H) x 12.4" (W) x 16.14" (D) | 11.97" (H) x 21.38" (W) x 25.28" (D) |
| On-Board Devices - Network Connectivity | 1 RJ45 1GbE with Realtek RTL8211F PHY (dedicated IPMI), 2 RJ45 1GbE with Intel® I210 | 1 RJ45 1GbE with Intel® I219-LM, 1 RJ45 2.5GbE with Intel® I225-V |
| Default Power Supply - Dimension (WxHxL) | 81.5 x 40.5 x 150 mm | 150 x 86 x 185 mm |
| 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 4 bays; 4 internal fixed 3.5" SATA drive bays |
| Expansion Slots - PCI-Express (PCIe) Configuration | Default: 1 PCIe 5.0 x16 HHHL slot | Default: 2 PCIe 3.0 x4 FHFL slots, 2 PCIe 5.0 x8 (in x16) FHFL slots; Option A: 2 PCIe 3.0 x4 FHFL slots, 1 PCIe 5.0 x16 FHFL slot |
| Max GPU Count | Not listed | Up to 1 double-width GPU |
| Supported GPU | Not listed | NVIDIA PCIe: RTX 2000 Ada, RTX 4000 Ada Generation, RTX 5000 Ada, RTX A2000, RTX A4000, RTX A4500, RTX A5000, RTX A5500, RTX A6000, T1000, T400 |
| Input / Output - TPM | Not listed | 1 TPM header |
| Input / Output - Audio | Not listed | 7.1 HD Audio |
| On-Board Devices - Chipset | Not listed | Intel® W680 |
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.