AsRock 4U8G-GENOA2 4U Barebone Server Chassis

Overview

The AsRock 4U8G-GENOA2 is a 4U rack barebone chassis engineered around 2nd Gen AMD EPYC ("Genoa") platform support, sized for server rooms and edge data centers where you need a rigid, rack-dense foundation rather than a pre-configured black box. At 30.90 x 17.20 x 6.90 in and 134.39 lb, this is a full-depth 4U enclosure meant for a standard 4-post rack, not a desk-side deployment. The 4U8G-GENOA2 (often searched as 4U8G GENOA2) ships as a barebone — chassis, backplane, and power infrastructure — so integrators and IT architects retain control over CPU, memory, storage, and card selection rather than inheriting a fixed BOM. That barebone approach matters for video management, analytics, and storage-heavy workloads where the right drive count and card mix vary project to project.

Key Features

• 4U Rack Form Factor: a 4U chassis buys headroom for high-TDP EPYC processors, full-height expansion cards, and multi-fan cooling zones — the physical clearance that 1U and 2U chassis simply don't have, which matters once you're populating dual-socket Genoa platforms under sustained load.
• 134.39 lb Chassis Weight: plan rack rail load ratings and lift logistics accordingly — this is a two-person install, and the rail kit and rack frame need to be rated for it before the unit ships to site.
• 30.90 x 17.20 x 6.90 in Footprint: the 30.9-inch depth is full server-depth — measure cabinet clearance behind the rack posts (cable management arms, PDU placement, rear door swing) before committing rack position, especially in shallower network cabinets.
• 8-Bay Configuration (8G): the "8G" designation reflects an 8-bay drive layout, giving you room to scale local storage for VMS recording nodes, analytics caching, or general-purpose file service without immediately pushing to external storage.
• Genoa Platform Support (GENOA2): built around 2nd Gen AMD EPYC "Genoa" processors, which puts high core-count, high-memory-bandwidth compute in reach for consolidated workloads — VMS server duty, GPU-accelerated analytics hosts, or virtualization nodes that used to require multiple smaller boxes.
• Barebone Configuration: because CPU, RAM, drives, and NICs are sourced separately, you're not paying for — or waiting on — a vendor's fixed configuration. That's a real advantage when a project's storage or compute mix is still being finalized during design.

Integration & Compatibility

As a barebone platform, the 4U8G-GENOA2 is intended to be built out to spec rather than dropped in as a turnkey appliance — plan CPU, memory, storage, and networking selection as a separate procurement step. For projects standardizing on AsRock server platforms, this chassis pairs naturally with the broader network video recorders and VMS server category when the deployment calls for a self-built recording or analytics node instead of a fixed-channel NVR appliance. If you're sizing storage or compute capacity for a video deployment for the first time, a storage and retention planning guide is worth reviewing before finalizing the drive configuration for the 8 available bays. Rack integrators should also confirm PoE switch and cabling capacity upstream if this chassis is feeding a camera-dense recording environment, since compute capacity and network ingest need to scale together.

What's in the Box

Country of origin is listed as CN (China) for this unit; confirm current NDAA and import compliance requirements against your project's specific procurement rules before specifying the 4U8G-GENOA2 on government or regulated contracts.

Frequently Asked Questions

Q: What processors does the AsRock 4U8G-GENOA2 support?

A: The 4U8G-GENOA2 is built around 2nd Gen AMD EPYC ("Genoa") platform support, based on its GENOA2 designation.

Q: Is the 4U8G-GENOA2 a fully configured server or a barebone chassis?

A: It is a barebone chassis — the enclosure, backplane, and power infrastructure ship together, while CPU, memory, storage, and expansion cards are sourced and installed separately.

Q: How many drive bays does the 4U8G-GENOA2 have?

A: The "8G" in the model designation corresponds to an 8-bay drive configuration.

Q: What rack space does the 4U8G-GENOA2 require?

A: It is a 4U rack-mount chassis measuring 30.90 x 17.20 x 6.90 in, so confirm 4U of vertical rack space plus full server-depth clearance before installation.

Q: How much does the 4U8G-GENOA2 weigh, and does that affect installation?

A: The chassis weighs 134.39 lb, which typically requires a two-person lift and rack rails rated for that load.

Q: Where is the 4U8G-GENOA2 manufactured?

A: Country of origin is listed as China (CN).

Jerry Tildsen

The 4U8G-GENOA2 is one of those chassis where the spec sheet undersells what it's actually for — this is a 4U, 8-bay barebone built to carry 2nd Gen EPYC Genoa silicon, and I spec these when a client's compute or storage requirements aren't fully locked yet.

Technical Highlights:

• 4U Form Factor: the extra vertical space over a 2U chassis gives you real airflow margin around a dual-socket Genoa build under sustained load, plus room for full-height expansion cards.
• 8-Bay Drive Layout: enough local storage headroom to run a VMS recording node or analytics cache without immediately architecting external storage into the project.
• 134.39 lb / 30.90 x 17.20 x 6.90 in: this is a full-depth, two-person-lift chassis — I always confirm rail load rating and rear cabinet clearance before it ships to site, because a 30.9-inch-deep unit will not fit every network cabinet.

Deployment Considerations:

• Because it's a barebone, budget separate line items and lead time for CPU, memory, drives, and NICs — this isn't a same-day turnkey box.
• Country of origin is CN; if you're quoting this into a government or NDAA-restricted project, verify current compliance status against that specific contract's requirements before specifying it.

I'd put the 4U8G-GENOA2 in front of a client building a consolidated VMS or analytics server for a mid-size to large camera count deployment, where local 8-bay storage and Genoa-class compute headroom both matter and the final drive/CPU mix is still being sized.