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Silver 2U desktop server chassis with twelve front drive bays and redundant power supply

Supermicro

Supermicro CSE-LA26AC12-R1K23AW server chassis 2U 12-bay 1200W redundant

SKU CH-KA7H-Y57A5 MPN CSE-LA26AC12-R1K23AW

A 2U desktop chassis holds twelve hot-swap 3.5-inch or 2.5-inch SATA drives with a 1200W redundant power supply

  • Form factor2U
  • Chassis styleDesktop
  • Supported motherboard sizesProprietary
  • Power supply1200 W Redundant
  • Hot-swappable bays12 × 3.5 in (tool-less) or 2.5 in (screw) hot-swap SAS3/SATA
  • 80mm fan count3 × 80 mm high-performance PWM fan(s)
  • 12 hot-swap bays accept 3.5 or 2.5 drives with SES3
  • 1200W redundant titanium power supply keeps systems running
  • Three 80mm PWM fans deliver targeted cooling
  • Proprietary motherboard support enables X12DDW integration
  • Optional rear kit adds two 2.5 hot-swap bays

Purpose-built storage density

The Supermicro SuperChassis CSE-LA26AC12-R1K23AW is a 2U desktop server chassis that delivers twelve hot-swap 3.5-inch or 2.5-inch drive bays with SES3 monitoring. A 1200W redundant power supply and three 80mm high-performance PWM fans provide continuous power and airflow for dense storage workloads. The proprietary motherboard design targets the X12DDW platform.

Who this suits and who it does not

Storage-focused deployments needing maximum bay count in a compact 2U desktop form factor will benefit from the twelve front bays and tool-less 3.5-inch carriers. Builders who require a standard ATX or E-ATX motherboard layout cannot use this chassis because it accepts only the proprietary board. Teams needing additional rear 2.5-inch bays must purchase the optional kit separately.

The specification that decides fit

Motherboard compatibility is locked to the proprietary X12DDW design, so the chassis will only accept that specific board. If your deployment uses any other motherboard form factor, this unit cannot be used.

How it compares

Measured against everything we stock in Rackmount Server Cases, at today’s prices. Recalculated every night.

Price $1,152.99
Pricier than about 90% of the 1,006 comparable items (median $222.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSUPERMICRO
Product lineSuperChassis
Model nameCSE-LA26AC12-R1K23AW
Product colorSilver
Storage
Hot-swappable bays12 × 3.5 in (tool-less) or 2.5 in (screw) hot-swap SAS3/SATA drive bay with SES3
Power
Power supply1200 W Redundant
Size & build
Form factor2U
Chassis styleDesktop
80mm fan count3 × 80 mm high-performance PWM fan(s)
Product dimensions3.5 in × 17.2 in × 25.5 in
Product weight35.3 lb (16 kg)
Shipping weight31.30 kg
Package size871 × 671 × 290 mm
Compatibility
Supported motherboard sizesProprietary

Questions about this item

Which motherboard is required for the CSE-LA26AC12-R1K23AW to operate?

The chassis supports the proprietary Supermicro X12DDW motherboard, so that specific board must be installed for the system to function.

Can the 12 front hot-swap bays accept 3.5-inch SATA drives I already own?

Yes, the 12 bays take 3.5-inch drives tool-less or 2.5-inch drives with screws, and the backplane supports SATA devices.

How do I verify the three 80mm PWM fans are running correctly after assembly?

The fans are PWM-controlled; fan speed and status can be monitored through the motherboard BIOS or a compatible management utility once the X12DDW board is installed.

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