TodayToday's edition
47 specs listed, 39 of them differ. Each value is the maker's own; nothing is converted or scored.
| Field | Supermicro Supermicro SYS-521R-T | Supermicro Supermicro SYS-531AD-I |
|---|---|---|
| Part number | SYS-521R-T | SYS-531AD-I |
| Specs, as each maker lists them | ||
| CPU | Single processor(s), Intel® Xeon® E-2400 series Processors and 12th Gen. Pentium® Processors | Single Socket V0 (LGA-1700); 14th/13th/12th Gen Intel® Core™ i9/i7/i5/i3, Pentium® and Celeron® 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 128GB 4400MT/s non-ECC DDR5 UDIMM |
| Core Count | Up to 8C/16T | Up to 24C/48T; Up to 16MB Cache |
| Motherboard | Super X13SCL-IF | Super C9Z790-CG |
| Processor Note | Supports up to 80W TDP CPUs (Air Cooled) | Supports up to 125W TDP CPUs (Air Cooled), Supports up to 235W TDP CPUs (Liquid Cooled) |
| Chassis - Model | CSE-721TQ-350B2 | CSE-GS5A-754K |
| Front Panel - LED | Fan Fail/System Over Heat LED, HDD activity LED, Network activity LEDs, Power status LED | HDD activity LED, Power status LED |
| Operating Systems | Oracle Linux 9.2, RHEL 9.2, Windows Server 2022, Windows Server 2025 | RHEL 8.7, Windows 11 |
| Front Panel - Port | USB 3.0 Port(s) | Not listed |
| Security - Features | Supply Chain Security: Remote Attestation, Runtime BMC Protections | Not listed |
| Security - Hardware | Trusted Platform Module (TPM) 2.0, Silicon Root of Trust (RoT) – NIST 800-193 Compliant | Trusted Platform Module (TPM) 2.0 |
| Default Power Supply | 1x 350W Gold Level (92%) power supply | 1x 750W Gold Level 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) | 4 USB 2.0 ports (rear), 2 USB 2.0 ports (header), 2 ports (front), 2 ports (rear) |
| Chassis - Form Factor | Compact Mini-Tower | Mid-Tower |
| Management - Software | SuperCloud Composer® (SCC), Supermicro Server Manager (SSM), Supermicro Update Manager (SUM), Supermicro SuperDoctor® 5 (SD5), Super Diagnostics Offline (SDO), | Supermicro Update Manager (SUM), Supermicro SuperDoctor® 5 (SD5), Super Diagnostics Offline (SDO) |
| System Cooling - Fans | Up to 1x 120mm Fan(s) | Up to 2x 120mm Fan(s), Up to 1x 120mm Fan(s) |
| Input / Output - Video | 1 VGA port | 1 DisplayPort 1.4b port, 1 port(s) supporting 8K@60Hz as specified in HDMI® 2.1 (Rear) |
| Drive Bays / Storage - M.2 | 1 M.2 PCIe 4.0 x4 NVMe slot (M-key 2280) | 2 M.2 PCIe 3.0 x4 NVMe slots (M-key 2280/22110), 1 M.2 PCIe 4.0 x4 NVMe slot (M-key 2280/22110) |
| Default Power Supply - +12V | Max: 28A / Min: 0.1A (100Vac-240Vac) | Max: 62A (100Vac-240Vac) |
| Default Power Supply - 5V SB | Max: 2A / Min: 0.05A | Max: 3A |
| Default Power Supply - Input | 350W: 100-240Vac / 50-60Hz | 750W: 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 |
| Chassis Dimensions and Weight - Depth | 11" (279.4 mm) | 19.4" (493 mm) |
| Chassis Dimensions and Weight - Width | 8.27" (210.06 mm) | 7.9" (200 mm) |
| Chassis Dimensions and Weight - Height | 9.45" (240.03 mm) | 18.1" (460 mm) |
| Chassis Dimensions and Weight - Weight | Gross Weight: 15 lbs (6.8 kg), Net Weight: 13.5 lbs (6.12 kg) | Gross Weight: 26 lbs (11.8 kg), Net Weight: 20 lbs (9 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) | 24.9" (H) x 14.2" (W) x 24" (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® PHY I219-V, 1 RJ45 10GbE with Marvell® AQC113 |
| Default Power Supply - Dimension (WxHxL) | 81.5 x 40.5 x 150 mm | 150 x 86 x 140 mm |
| Chassis Dimensions and Weight - Available Color | Black | Black / Gray |
| 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 6 bays; 6 internal fixed 3.5" SATA drive bays |
| Expansion Slots - PCI-Express (PCIe) Configuration | Default: 1 PCIe 5.0 x16 HHHL slot | Default: 2 PCIe 5.0 x8 FHFL slots, 2 PCIe 3.0 x1 FHFL slots; Option A: 1 PCIe 5.0 x16 FHFL slot, 2 PCIe 3.0 x1 FHFL slots |
| Max GPU Count | Not listed | Up to 1 double-width GPU |
| Input / Output - TPM | Not listed | 1 TPM header |
| Input / Output - Audio | Not listed | 7.1 HD Audio |
| On-Board Devices - Chipset | Not listed | Intel® Z790 |
| System Cooling - Liquid Cooling | Not listed | Direct to Chip (D2C) Cold Plate (optional) |
| PC Health Monitoring - Other Features | Not listed | 8-pin 12v DC power connector, ACPI power management, ATX Power connector, Chassis intrusion header, Control of power-on for recovery from AC power loss, CPU the |
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.