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Silver 2U rackmount server chassis with twenty-four front drive bays

ASRock Rack

ASRock Rack 2U24E-GENOA2 barebone server dual SP5 24 NVMe bays

SKU CH-HH31-GHYP8 MPN 2U24E-GENOA2

2U barebones server with dual SP5 sockets, 24 DDR5 slots up to 6 TB, 24 hot-swap plus two fixed 2.5" NVMe bays, and 2600 W 80-PLUS Titanium redundant power

  • ProcessorAMD EPYC 9005 & 9004 Series
  • Graphics processorAspeed AST2600
  • Installed RAMNo Memory Installed
  • Form factor2U Rackmount
  • Video RAMDDR4 512 MB
  • Processor socketSocket SP5
  • Dual SP5 sockets scale to two EPYC 9005 or 9004 CPUs
  • Twenty-four hot-swap NVMe bays plus two fixed bays deliver massive flash density
  • 2600 W 80-PLUS Titanium redundant power keeps the rack running
  • Twenty-four DDR5 4800 slots support up to 6 TB memory
  • PCIe 5.0 x16 and x8 slots plus OCP NIC 3.0 expand I/O fast

2U barebone with 24 NVMe bays

This 2U rackmount barebone server supports dual AMD EPYC 9005 and 9004 series processors in Socket SP5. It provides 24 DDR5 4800 memory slots with a maximum capacity of 6 TB. The chassis includes 24 hot-swap 2.5-inch NVMe bays and two fixed NVMe bays, all running at PCIe 5.0 x4. Redundant 2600 W CRPS power supplies with 80-PLUS Titanium efficiency are integrated.

Suits dense storage compute.

The system targets general-purpose deployments that need high local NVMe density and dual-socket CPU performance. Expansion is limited to three rear PCIe 5.0 slots and one OCP NIC 3.0 slot, all full-height or half-height. There are no additional full-length double-width GPU slots, so buyers needing multiple accelerator cards should look at a different platform.

24 hot-swap NVMe bays define the storage ceiling

The single specification that decides fit is the 24 front-accessible hot-swap 2.5-inch NVMe bays operating at PCIe 5.0 x4. This count sets the maximum number of removable drives without adding external enclosures. If the workload requires more than 24 hot-swap NVMe devices, this barebone cannot meet that requirement.

How it compares

Measured against everything we stock in Barebone Servers & DIY Kits, at today’s prices. Recalculated every night.

Price $3,357.99
Pricier than about 64% of the 532 comparable items (median $2,503.49).
Video RAM DDR4 512 MB
Higher than about 80% of the 17 comparable items (median 0.06 GB).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASRock Rack
Model name2U24E-GENOA2
Target workloadGeneral Purpose Server
Processor
ProcessorAMD EPYC 9005 & 9004 Series
Processor socketSocket SP5
Preinstalled processorNo CPU Installed
Max supported CPUs2
Memory
Installed RAMNo Memory Installed
RAM slots24 × 288Pin
Maximum supported memory6 TB
Supported memoryDDR5 4800
Storage
Preinstalled storageNo Storage Installed
M.2 slots1 M-key (PCIe3.0 x4), supports 2280/2260/2242/2230 form factor [CPU0]
1 M-key (PCIe3.0 x4), supports 2280/2242 form factor [CPU1]
Hot-swap drive bays24 x Hot-swap 2.5 in NVMe (PCIe5.0 x4) drive bays
2 x Fixed 2.5 in NVMe (PCIe5.0 x4) drive bays
Graphics
Graphics processorAspeed AST2600
Video RAMDDR4 512 MB
Connectivity
Primary LAN controllerIntel I350
Top LAN speed1 Gigabit
Ports & slots
PCIe slotsRear:
1 FHHL PCIe5.0 x16 or 2 FHHL PCIe5.0 x8
1 FHHL PCIe5.0 x16 or 2 FHHL PCIe5.0 x8
1 HHHL PCIe5.0 x8
1 OCP NIC 3.0 (PCIe5.0 x16) [CPU1]
Serial ports1
VGA ports1
Rear USB ports2 x USB 3.2 Gen 1
Ethernet port2
Power
Power supply1+1 CRPS, 1000 W @ 100-127Vac input / 2600 W @ 220-240Vac input
Size & build
Form factor2U Rackmount
Product dimensions3.4 in × 30.3 in × 17.2 in
Shipping weight23.13 kg
Package size1118 × 610 × 330 mm
Environment & compliance
Temperature rangeOperation temperature: 10 °C to 35 °C
Non operation temperature: -40 °C to 70 °C
Humidity rangeNon operation humidity: 20% ~ 90% ( Non condensing)
More details
Button countPower, Reset, UID
Indicator lightsPower, LAN 1/2, HDD Activity, System status
BIOS featuresAMI UEFI BIOS; 256 Mb (32 MB) SPI Flash ROM
ASRock Rack Instant Flash, ACPI 6.4 and abouve compliance wake up events, SMBIOS 3.5.0 and above, Plug and Play(PnP)
Hardware monitorTemperature: CPU, MB, Card side Temperature Sensing
- Fan: Fan Tachometer
- CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)
- Fan Multi-Speed Control
Voltage:
P0_VDDCR_CPU0, P0_VDDCR_CPU1, P0_VDDCR_SOC, P0_VDD_18_DUAL, P0_VDD_11_S3, P0_VDDIO, P1_VDDCR_CPU0, P1_VDDCR_CPU1, P1_VDDCR_SOC, P1_VDD_18_DUAL, P1_VDD_11_S3, P1_VDDIO, +BAT, +12 V, +3VSB, +5VSB

Questions about this item

Does the barebone include CPUs, memory or drives, or must they be purchased separately?

No CPU, memory or storage is installed; you must supply two SP5 processors, DDR5 4800 RDIMMs up to 6 TB and NVMe drives for the 24 hot-swap plus 2 fixed 2.5" bays.

Which AMD EPYC series does the SP5 socket support?

The dual SP5 sockets support EPYC 9004 and 9005 series processors, including 97x4 models and parts with 3D V-Cache technology.

What bandwidth does each of the 24 hot-swap NVMe bays deliver to the CPU?

Every hot-swap bay is wired for PCIe 5.0 x4, giving each drive a full Gen 5 four-lane link to the processor.

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