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ASRock Rack

RM251-ICX2/12L

ModelRM251-ICX2/12L
ProcessorIntel Xeon
Storage6 GB PCIe 3.0

Specifications 36 normalized

Processor
Processor
Supports 3 rd Gen Intel Xeon Scalable processors
Chipset
Intel C621A
Memory & storage
Memory
16+16 DIMM slots (2DPC), supports DDR4 RDIMM, LRDIMM, RDIMM/LRDIMM-3DS, Intel Optane Persistent Memory 200 series
Storage
2 fixed 2.5" SATA drive bays
2 M-key * (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280 form factor [PCH]
* 1 fixed SATA drive bay share SATA with M2_1, and will be disabled when M2_1 populated with SATA device
Front Side Drive Bay
12 hot-swap 3.5"/2.5" drive bays
supports 8 SATA HDD/SSD and 4 NVMe (PCIe3.0 x4) SSD *
* For more NVMe SSD support, please contact ASRock Rack
Max. Capacity Per DIMM
RDIMM: up to 64 GB
RDIMM-3DS: up to 256 GB
LRDIMM: up to 128 GB
LRDIMM-3DS: up to 256 GB
System Memory Voltage
1.2V
Drive Bays
2× 2.5
Display
Front Panel Buttons
Power, UID, Reset
Connectivity
Networking
Intel i350-AM2: 2 RJ45 (1GbE)
OCP Slot
1 OCP NIC 3.0 (PCIe4.0 x16) [CPU0]
Video Port
1 DB15
Serial Port
1 RJ45 (COM)
USB 3.2 Gen1 Port
2 Type-A (USB3.2 Gen1)
Power & battery
Power Supply
1+1 CRPS
Physical & build
System Dimensions
779.5 mm X 447.6 mm X 87 mm
Form Factor
2U Rackmount
Fan
6 PWM hot-swap 60 x 38 mm fans
Warranty & support
Support Motherboard
SP2C621D32TM3
Supported DIMM Quantity
16+16 DIMM slots (2DPC)
Supported Type
Supports DDR4 288-pin RDIMM, LRDIMM, RDIMM/LRDIMM-3DS, Intel Optaneâ„¢ Persistent Memory 200 series
Other
LEDs
Power Status, LAN Activity, HDD Activity, System status
Front Side Backplane
12-port NVMe/SATA/SAS * passive backplanes * SAS drive is only supported with additional RAID/HBA cards
Output Watts
1600W
AC Input
100-240V, 47-63 Hz
Socket
Dual Socket P+ (LGA 4189)
Max. DIMM Frequency
max. 3200 MHz
PCIe X 32
SLOT1: 2 FH PCIe4.0 x16 or 1 FH PCIe4.0 x16, 2 FH PCIe4.0 x8 via RB251-X8X16X16 [CPU0]
SLOT2: 2 FH PCIe4.0 x16 or 1 FH PCIe4.0 x16, 2 FH PCIe4.0 x8 via RB251-X16X8X16 [CPU1]
PCIe X 16
SLOT3: 1 low-profile PCIe4.0 x16 or 2 low-profile PCIe4.0 x8 via RB251-X8X16 [CPU1]
UID Button/LED
1 UID button w/ LED
RJ45
2 RJ45 (1GbE), 1 dedicated IPMI
BIOS Type
256Mb SPI Flash ROM
BIOS Features
AMI UEFI BIOS
Temperature
CPU, PCH, MB, Card side Temperature Sensing
Hardware Monitor Voltage
CPU1_PVCCIN, CPU2_PVCCIN, PVDDQ_ABCD,PVDDQ_EFGH,PVDDQ_IJKL,PVDDQ_MNOP, 1.05V_PCH,1.8V_PCH, +BAT,PVNN_PCH, 3.3V,5V,12V,3.3VSB, 5VSB
Humidity
Non-operating humidity: 20% ~ 90% (non-condensing)

I/O Ports 5

  • 1 Type-A (USB3.2 Gen1)
  • 1 Type-A (USB2.0)
  • Intel i350-AM2: 2 RJ45 (1GbE)
  • 1 RJ45 (COM)
  • 2 Type-A (USB3.2 Gen1)

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