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Silver 4U rackmount barebones chassis with front drive bays and rear power supplies

ASRock Rack

ASRock Rack 4U8G-EGS2 barebone server dual LGA 4677 8 GPU

SKU CH-4BV6-R8P1C MPN 4U8G-EGS2

A 4U rackmount barebone server supporting dual LGA 4677 Xeon processors with eight full-height PCIe 5.0 x16 GPU slots, twelve 2.5-inch hot-swap drive bays, and 1600 W platinum power

  • Dual LGA 4677 sockets support 5th and 4th Gen Xeon Scalable processors
  • Eight full-height full-length PCIe 5.0 x16 slots connect GPUs directly to CPU
  • 1600 W 80-PLUS Platinum CRPS power supply in 3+1 redundancy
  • Four hot-swap 2.5" NVMe PCIe 5.0 x4 bays plus eight SATA bays
  • 16+16 DDR5 RDIMM slots deliver 2 DIMMs per channel capacity

4U barebone for eight full-height GPUs

The ASRock Rack 4U8G-EGS2 is a 4U rackmount barebone built around dual Socket E (LGA 4677) processors. It targets organisations deploying dense GPU compute for AI training, high-performance computing or rendering workloads that demand maximum accelerator density in a single chassis.

Dual Xeon Scalable platform upgrade

The system accepts 5th and 4th Gen Intel Xeon Scalable CPUs, replacing single-socket or previous-generation dual-socket servers where memory bandwidth and PCIe lane count limit GPU scaling. The jump is worth it when workloads saturate both CPU memory controllers and require eight CPU-direct PCIe 5.0 x16 links.

Sixteen DIMM channels and twelve drive bays

Sixteen DDR5 RDIMM slots per socket provide high memory capacity for large model parameters and dataset caching. Four NVMe bays at PCIe 5.0 x4 and eight SATA bays — expandable to twelve with an additional RAID or HBA card — supply fast local storage, while the 1600 W 80-PLUS Platinum CRPS powers the full GPU complement.

How it compares

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

Price $3,719.99
Pricier than about 68% of the 532 comparable items (median $2,503.49).

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Specifications

Size & build
Shipping weight36.29 kg
Package size1118 × 635 × 381 mm

Questions about this item

What rack width and power supply does the 4U8G-EGS2 require?

The chassis is a 4U rackmount with a 3+1 redundant 1600W CRPS power supply rated 80-PLUS Platinum.

How are the eight GPU cards installed, and what slot mistake should be avoided?

Install each dual-slot GPU into the eight FHFL PCIe5.0 x16 slots that have a direct CPU link; do not use the single FHHL PCIe5.0 x16 or PCIe4.0 x8 slots for GPUs.

Which drive bays need an extra controller card for SAS support?

The twelve hot-swap 2.5-inch SATA/SAS bays require an additional RAID or HBA card for SAS operation; the four NVMe and eight SATA bays do not.

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