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Black 4U tower server chassis with eight front hot-swap drive bays

Supermicro

Supermicro CSE-743AC-1K26B-SQ 4U tower server chassis 1200W 8 hot-swap bays

SKU CH-8THR-BKNRB MPN CSE-743AC-1K26B-SQ

A 4U tower chassis that holds eight hot-swap 3.5" or 2.5" SAS drives and includes a 1200 W power supply

  • Form factor4U
  • Chassis styleTower
  • Supported motherboard sizes12 in x 13 in E-ATX and ATX
  • Power supply1200 W
  • Hot-swappable bays8 × 3.5 in/2.5 in hot-swap SAS drive bay with SES3
  • Expansion card slots7 full-height & full-length expansion slot(s)
  • 1200 W platinum power supply runs high-load components
  • Eight hot-swap bays accept 3.5" and 2.5" SAS drives
  • Whisper-quiet cooling stays below 27 dB
  • Seven full-height slots fit long expansion cards
  • Front USB 3.0 ports give quick external access

4U Tower Chassis with 1200W Power

The Supermicro CSE-743AC-1K26B-SQ is a 4U tower server chassis finished in black. It supports motherboards up to 12" x 13" E-ATX and standard ATX sizes. The unit ships with a 1200W power supply installed. Two 80mm middle fans and one 92mm rear fan provide PWM cooling.

Suited for High-Density Storage Builds

This chassis fits administrators who need eight hot-swap drive bays for 3.5" or 2.5" SAS drives with SES3 monitoring. The seven full-height expansion slots accommodate multiple add-in cards. Buyers requiring more than eight drive bays or a rackmount form factor should consider a different platform.

Eight Hot-Swap SAS Bays Decide Fit

The defining specification is the eight 3.5"/2.5" hot-swap SAS drive bays backed by a SAS3 backplane. If the deployment demands eight removable SAS drives in a tower enclosure, this chassis matches that requirement. If the drive count or interface differs, another chassis is needed.

How it compares

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

Price $753.99
Pricier than about 88% of the 1,006 comparable items (median $222.49).

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Specifications

Product
Brand nameSUPERMICRO
Product lineSuperChassis
Model nameCSE-743AC-1K26B-SQ
Product colorBlack
Storage
Hot-swappable bays8 × 3.5 in/2.5 in hot-swap SAS drive bay with SES3
Ports & slots
Expansion card slots7 full-height & full-length expansion slot(s)
Power
Power supply1200 W
Size & build
Form factor4U
Chassis styleTower
80mm fan count2 × 80 mm PWM Chassis Middle Fans
Product dimensions17.8 in × 7 in × 25.5 in
Product weight53 lb (24 kg)
Shipping weight26.54 kg
Package size780 × 706 × 315 mm
Compatibility
Supported motherboard sizes12 in x 13 in E-ATX and ATX
More details
90mm fans1 × 92 mm PWM Rear fan(s)

Questions about this item

What motherboard sizes fit inside the 17.80" x 7.00" x 25.50" chassis?

The chassis accepts 12" x 13" E-ATX and standard ATX boards.

How are the 8 hot-swap drive bays installed, and what step is often missed?

Slide each carrier into the front cage until the latch clicks; the SES3 backplane connection seats automatically, but forgetting to lock the front HDD door leaves the drives unsecured.

Which cooling parts will need replacement first in the whisper-quiet <27dB design?

The two 80mm PWM middle fans and the single 92mm PWM rear fan are the only moving cooling components; plan to swap them when bearing noise rises.

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