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1U4L2E-B650 RPSU
1U4LW-B650/2L2T RPSU
1U4LW-B650/2L2T
1U2S-B650
System
Form Factor1U Rackmount1U Rackmount1U Rackmount1U Rackmount
Dimensions676.5 x 438 x 43.4 mm (26.6'' x 17.2'' x 1.7'')534.35 x 430 x 43.3 mm (21” x 16.9” x 1.7”)534.35 x 430 x 43.3 mm (21” x 16.9” x 1.7”)393.2 x 430 x 43.5 mm (15.5'' x 16.93'' x 1.71'')
Support MBB650D4U/1U4L2EB650D4U-2L2T/BCMB650D4U-2L2T/BCMB650D4U
Front Panel
ButtonsPower, System ResetPower w/ LED, UID w/LED, System resetPower w/ LED, UID w/LED, System resetPower, System Reset
LEDsPower, HDD Activity, LANs, System EventLANs, HDD activity, System healthLANs, HDD activity, System healthPower, HDD Activity, LANs, System Event
I/O Ports2 Type-A (USB3.2 Gen1)2 Type-A (USB3.2 Gen1)2 Type-A (USB3.2 Gen1)2 Type-A (USB3.2 Gen1)
External Drive Bay / Storage
Front Side Drive Bay2 Hot-swap 3.5" SATA or 2 x 2.5" NVMe** (PCIe4.0 x4)* drive bays
2 hot-swap 3.5" SATA drive bays

**Hot-swap isn't supported for NVMe devices		4 Hot-swap 3.5" SATA drive bays4 Hot-swap 3.5" SATA drive baysExternal: 2 hot-swap 2.5" SATA drive bays
Internal: 1 fixed 3.5'' SATA drive bay or 1 Slim ODD
Internal SideM2_1* (PCIe5.0 x4), supports 2280/2242 form factor [CPU]
M2_2 (PCIe4.0 x4), supports 2280/2242 form factor [FCH]

*M2_1 is occupied for NVMe bay_1		1 M-key (PCIe5.0 x4), supports 2280/2242 form factor [CPU]1 M-key (PCIe5.0 x4), supports 2280/2242 form factor [CPU]1 M-key (PCIe5.0 x4), supports 2280/2242 form factor [CPU]
1 M-key (PCIe4.0 x4), supports 2280/2242 form factor [FCH]
Power Supply
Type1+1 Slim PSU1+1 Redundant PSUSingle PSUSingle PSU
Output Watts650W450W400W315W
Efficiency80-PLUS Platinum80-PLUS Gold80-PLUS Gold
AC Input100-240Vrms, 50/60Hz100-240V, 50-60Hz
System Fan
Fan6 PWM Hot-swap 40x56 mm fans5 PWM Hot-swap 40x28 mm fans5 PWM Hot-swap 40x28 mm fans3 PWM Hot-swap 40x56 mm fans, 1 PWM Hot-swap 40x28 mm fans
Processor System
CPUSupports AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series ProcessorsSupports AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series ProcessorsSupports AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series ProcessorsSupports AMD EPYC™ 4005/4004 and AMD Ryzen™ 9000/8000/7000 Series Processors
SocketSingle Socket AM5 (LGA 1718)Single Socket AM5 (LGA 1718)Single Socket AM5 (LGA 1718)Single Socket AM5 (LGA 1718)
Thermal Design PowerUp to 170WUp to 170W *Based on Cinebench R23 tool to meet AMD criteriaUp to 170W *Based on Cinebench R23 tool to meet AMD criteriaUp to 120W
ChipsetAMD B650AMD B650AMD B650AMD B650
System Memory
Supported DIMM Quantity4 DIMM slots (2DPC)4 DIMM slots (2DPC)4 DIMM slots (2DPC)4 DIMM slots (2DPC)
Supported TypeDDR5 288-pin ECC/non-ECC UDIMMDDR5 288-pin ECC/non-ECC UDIMMDDR5 288-pin ECC/non-ECC UDIMMDDR5 288-pin ECC/non-ECC UDIMM
Max. Capacity per DIMM48GB48GB48GB48GB
Max. DIMM Frequency5600 MHz (1DPC); 3600 MHz (2DPC)5600 MHz (1DPC); 3600 MHz (2DPC)5600 MHz (1DPC); 3600 MHz (2DPC)5600 MHz (1DPC); 3600 MHz (2DPC)
Voltage1.1V1.1V1.1V1.1V
PCIe Expansion Slots (SLOT7 close to CPU)
PCIe x 16Rear: 1 FHHL PCIe4.0 x16Rear: 1 FH PCIe4.0 x16 via RB1UX16_G4Rear: 1 FH PCIe4.0 x16 via RB1UX16_G4Rear: 1 FHHL PCIe4.0 x16 via RB1UX16_G4
Ethernet
Additional GbE ControllerIntel® i210: 2 RJ45 (1GbE)Broadcom BCM57416: 2 RJ45 (10GbE)
Intel® i210: 2 RJ45 (1GbE)		Broadcom BCM57416: 2 RJ45 (10GbE)
Intel® i210: 2 RJ45 (1GbE)		Intel® i210: 2 RJ45 (1GbE)
Server Management
BMC ControllerASPEED AST2600ASPEED AST2600ASPEED AST2600ASPEED AST2600
IPMI Dedicated GLAN1 Realtek RTL8211F for dedicated management GLAN1 Realtek RTL8211F for dedicated management GLAN1 Realtek RTL8211F for dedicated management GLAN1 Realtek RTL8211F for dedicated management GLAN
Graphics
ControllerASPEED AST2600:
1 DB15 (VGA), 1 (15-pin) header
AMD Processors with Graphics:
1 HDMI, 1 DisplayPort		ASPEED AST2600:
1 DB15 (VGA), 1 (15-pin) header
AMD Processors with Graphics:
1 HDMI, 1 DisplayPort		ASPEED AST2600:
1 DB15 (VGA), 1 (15-pin) header
AMD Processors with Graphics:
1 HDMI, 1 DisplayPort		ASPEED AST2600:
1 DB15 (VGA), 1 (15-pin) header
AMD Processors with Graphics:
1 HDMI, 1 DisplayPort
Rear I/O
UID Button/LED1 UID button w/ LED1 UID button w/ LED1 UID button w/ LED1 UID button w/ LED
VGA Port1 DB15 (VGA), 1 DisplayPort, 1 HDMI1 DB15 (VGA), 1 DisplayPort, 1 HDMI1 DB15 (VGA), 1 DisplayPort, 1 HDMI1 DB15 (VGA), 1 DisplayPort, 1 HDMI
Serial Port1 DB9 (COM)1 DB9 (COM)1 DB9 (COM)1 DB9 (COM)
USB 3.2 Gen1 Port4 Type-A (USB3.2 Gen1)4 Type-A (USB3.2 Gen1)4 Type-A (USB3.2 Gen1)4 Type-A (USB3.2 Gen1)
RJ452 RJ45 (1GbE)
1 dedicated IPMI		2 RJ45 (10GbE)
2 RJ45 (1GbE)
1 dedicated IPMI		2 RJ45 (10GbE)
2 RJ45 (1GbE)
1 dedicated IPMI		2 RJ45 (1GbE)
1 dedicated IPMI
System BIOS
BIOS TypeAMI UEFI BIOS; 256Mb (32MB) SPI Flash ROMAMI UEFI BIOS; 256Mb (32MB) SPI Flash ROMAMI UEFI BIOS; 256Mb (32MB) SPI Flash ROMAMI UEFI BIOS; 256Mb (32MB) SPI Flash ROM
BIOS FeaturesPlug and Play, ACPI 6.4 compliance wake up events, SMBIOS 3.5Plug and Play, ACPI 6.4 compliance wake up events, SMBIOS 3.5Plug and Play, ACPI 6.4 compliance wake up events, SMBIOS 3.5Plug and Play, ACPI 6.4 compliance wake up events, SMBIOS 3.5
Hardware Monitor
TemperatureCPU, DDR, MB, Card Side, Chipset, 10G LAN, M.2 slotCPU, DDR, MB, Card Side, Chipset, 10G LAN, M.2 slotCPU, DDR, MB, Card Side, Chipset, 10G LAN, M.2 slotCPU, DDR, MB, Card Side, Chipset, 10G LAN, M.2 slot
FanFan Tachometer, Multi-Speed Control, CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)Fan Tachometer, Multi-Speed Control, CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)Fan Tachometer, Multi-Speed Control, CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)Fan Tachometer, Multi-Speed Control, CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)
VoltageVOLT_3VSB, VOLT_5VSB, VOLT_P0_VCORE, VOLT_P0_VSOC, VOLT _VMEM, VOLT _VMISC, VOLT_1.8V_PT21, VOLT_VSUS10, VOLT_VDD10, VOLT_V10_PHY_DIG, VOLT_VDD_1P8, VOLT_MD_VDDO, VOLT_BAT, VOLT_3V, VOLT_5V, VOLT_12VVOLT_3VSB, VOLT_5VSB, VOLT_P0_VCORE, VOLT_P0_VSOC, VOLT _VMEM, VOLT _VMISC, VOLT_1.8V_PT21, VOLT_VSUS10, VOLT_VDD10, VOLT_V10_PHY_DIG, VOLT_VDD_1P8, VOLT_MD_VDDO, VOLT_BAT, VOLT_3V, VOLT_5V, VOLT_12VVOLT_3VSB, VOLT_5VSB, VOLT_P0_VCORE, VOLT_P0_VSOC, VOLT _VMEM, VOLT _VMISC, VOLT_1.8V_PT21, VOLT_VSUS10, VOLT_VDD10, VOLT_V10_PHY_DIG, VOLT_VDD_1P8, VOLT_MD_VDDO, VOLT_BAT, VOLT_3V, VOLT_5V, VOLT_12VVOLT_3VSB, VOLT_5VSB, VOLT_P0_VCORE, VOLT_P0_VSOC, VOLT _VMEM, VOLT _VMISC, VOLT_1.8V_PT21, VOLT_VSUS10, VOLT_VDD10, VOLT_V10_PHY_DIG, VOLT_VDD_1P8, VOLT_MD_VDDO, VOLT_BAT, VOLT_3V, VOLT_5V, VOLT_12V
Environment
TemperatureOperation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°COperation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°COperation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°COperation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C
HumidityNon operation humidity: 20% ~ 90% ( Non condensing)Non operation humidity: 20% ~ 90% ( Non condensing)Non operation humidity: 20% ~ 90% ( Non condensing)Non operation humidity: 20% ~ 90% ( Non condensing)
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