Asrock B550D4U Svr Mb Asrock Rack B550d4u R

This item is brand-new, factory sealed.

Micro-ATX (9.6" x 9.6")

Support AMD Ryzen 5000 Series Desktop Processors

4 DIMM slots (2DPC), supports DDR4 ECC/non-ECC UDIMM

1 PCIe4.0 x16, 1 PCIe4.0 x4

1 M.2 (PCIe3.0 x4 or SATA 6Gb/s), 1 M.2 (PCIe3.0 x2)

6 SATA 6Gb/s

2 RJ45 (1GbE) by Intel i210

Remote management (IPMI) Form Factor
Micro-ATX Processor System
CPU
Supports:
AMD Ryzen^TM 5000 and 4000 G-Series Desktop Processors with Radeon^TM Graphics
AMD Ryzen^TM 5000 and 3000 Series Desktop Processors
AMD Ryzen^TM PRO 5000, 4000 and 3000 Series Desktop Processors
Note: Not compatible with AMD Ryzen^TM PRO 3000 Series Desktop Processors with Radeon^TM Graphics Socket
Single Socket AM4 (PGA1331) Chipset
AMD B550 System Memory
Supported DIMM Quantity
4 DIMM slots (2DPC) Supported Type
Supports DDR4 288-pin ECC/non-ECC UDIMM
Note: For AMD Ryzen Desktop Processors with Radeon Graphics, ECC support is only with Processors with PRO technologies. Max. Capacity per DIMM
ECC/non-ECC UDIMM: up to 32GB Max. DIMM Frequency
up to 3200 MHz
Note: AMD Ryzen^TM 3000 G-Series Desktop Processors with Radeon^TM Graphics support up to 2666 MHz Voltage
1.2V PCIe Expansion Slots (SLOT7 close to CPU)
PCIe x 16
SLOT6: Latch PCIe4.0 x16 (CPU)
Note: Supports PCIe3.0 when using AMD Ryzen^TM 5000, 4000 G-Series Desktop Processors with Radeon^TM Graphics
PCIe x 4
SLOT4: PCIe4.0 x4 (CPU) Supports PCIe3.0 when using AMD Ryzen^TM 5000, 4000 G-Series Desktop Processors with Radeon^TM Graphics Other PCIe Expansion Connectors
M.2 slot
1 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2260/2242 form factor (FCH)
1 M-key (PCIe3.0 x2), supports 22110/2280/2260/2242 form factor (FCH) SATA/SAS Storage
PCH Built-in Storage
AMD B550 (4 SATA 6Gb/s, RAID 0/1/10):
3 SATA 7-pin, 1 SATA DOM
Additional SATA Controller
ASM 1061 (2 SATA 6Gb/s):
2 SATA 7-pin Ethernet
Additional GbE Controller
Intel i210: 2 RJ45 (1GbE) Graphics
Controller
ASPEED AST2500:
1 DB15, 1 (15-pin) header
AMD Ryzen Desktop Processors with Radeon Graphics:
1 HDMI Rear I/O
UID Button/LED
1 UID button w/ LED
VGA Port
1 DB15, 1 HDMI
Serial Port
1 DB9
USB 3.2 Gen2 Port
2 Type-A (USB3.2 Gen2)
RJ45
2 RJ45 (1GbE)
1 dedicated IPMI Internal Connector/Headers
Power Connector
1 (24-pin, ATX main power), 1 (8-pin, ATX 12V) Auxiliary Panel Header
1 (19-pin): chassis intrusion, system fault LED, LAN activity LED System Panel
1 (9-pin): power switch, reset switch, system power LED, HDD activity LED VGA header
1 Speaker Header
1 (4-pin)