TodayToday's edition
44 specs listed, 35 of them differ. Each value is the maker's own; nothing is converted or scored.
| Field | Supermicro Supermicro SYS-521R-T | Supermicro Supermicro SYS-540A-TR |
|---|---|---|
| Part number | SYS-521R-T | SYS-540A-TR |
| Specs, as each maker lists them | ||
| CPU | Single processor(s), Intel® Xeon® E-2400 series Processors and 12th Gen. Pentium® Processors | Single Socket P+ (LGA-4189), 3rd 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 (2DPC): Up to 4TB 3200MT/s ECC DDR4 RDIMM/LRDIMM |
| Core Count | Up to 8C/16T | Up to 40C/80T; Up to 60MB Cache |
| Motherboard | Super X13SCL-IF | Super X12SPA-TF |
| Memory Voltage | 1.1V | 1.2V |
| Processor Note | Supports up to 80W TDP CPUs (Air Cooled) | Supports up to 270W TDP CPUs (Air Cooled) |
| Chassis - Model | CSE-721TQ-350B2 | CSE-747BTS-R2K20BP |
| Front Panel - LED | Fan Fail/System Over Heat LED, HDD activity LED, Network activity LEDs, Power status LED | HDD activity, Network activity, Power On, System Overheat / Fan Fail LED |
| Operating Systems | Oracle Linux 9.2, RHEL 9.2, Windows Server 2022, Windows Server 2025 | RHEL 8.4 |
| 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, System Lockdown |
| 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 2.0 ports (header), 2 USB 2.0 ports (rear), 2 ports (header), 4 ports (rear) |
| Chassis - Form Factor | Compact Mini-Tower | Full-Tower Rackmount |
| Front Panel - Buttons | Power On/Off button, System Reset button | Power On/Off, System Reset |
| System Cooling - Fans | Up to 1x 120mm Fan(s) | Up to 4x 92mm Fan(s), Up to 2x 80mm Fan(s) |
| Drive Bays / Storage - M.2 | 1 M.2 PCIe 4.0 x4 NVMe slot (M-key 2280) | 4 M.2 PCIe 4.0 x4 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: 174. |
| Default Power Supply - 5V SB | Max: 2A / Min: 0.05A | Max: 1A / Min: 0A |
| 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 CCC only), |
| 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) | 26.71" (678.5 mm) |
| Chassis Dimensions and Weight - Width | 8.27" (210.06 mm) | 6.96" (177 mm) |
| Chassis Dimensions and Weight - Height | 9.45" (240.03 mm) | 18.32" (465.4 mm) |
| Chassis Dimensions and Weight - Weight | Gross Weight: 15 lbs (6.8 kg), Net Weight: 13.5 lbs (6.12 kg) | Gross Weight: 57 lbs (25.85 kg), Net Weight: 52.9 lbs (24 kg) |
| Drive Bays / Storage - Peripheral Bays | 1 bay | 3 5.25" bays |
| Chassis Dimensions and Weight - Package | 13.78" (H) x 12.4" (W) x 16.14" (D) | 12.95" (H) x 27.12" (W) x 38.22" (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® I210-AT, 1 RJ45 1GbE with Realtek RTL8211F PHY (dedicated IPMI), 1 RJ45 10GbE with Marvell® AQC113 |
| Default Power Supply - Dimension (WxHxL) | 81.5 x 40.5 x 150 mm | 76 x 40 x 336 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 8 bays; 8 front hot-swap 3.5" SATA drive bays |
| Expansion Slots - PCI-Express (PCIe) Configuration | Default: 1 PCIe 5.0 x16 HHHL slot | Default: 7 PCIe 4.0 x16 FHFL slots |
| Max GPU Count | Not listed | Up to 4 double-width or 4 single-width GPUs |
| Supported GPU | Not listed | NVIDIA PCIe: RTX A4000, RTX A5000, RTX A6000 |
| Input / Output - TPM | Not listed | 1 TPM header |
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.