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Black 3U rackmount chassis with sixteen 3.5-inch hot-swap drive bays and redundant power supply

Supermicro

Supermicro CSE-836BE1C-R1K03B 3U server chassis 16×3.5″ 1000W redundant

SKU CH-QCG7-6XRRG MPN CSE-836BE1C-R1K03B

Holds sixteen 3.5″ hot-swap drives in a 3U rackmount chassis with redundant 1000 W Titanium power and a SAS 12 Gbps expander backplane

  • Form factor3U
  • Chassis styleRackmount
  • Supported motherboard sizes13.68 in x 13 in E-ATX and ATX
  • Power supply1U 800 / 1000 W Redundant Titanium Single Output Power Suppl
  • Expansion card slots7 x full-height & full-length expansion slots
  • Key features3U chassis - supports for maximum motherboard sizes: 13.68 i
  • 16 hot-swap 3.5″ drive bays for high-density storage
  • 1000 W redundant Titanium power supply with PMbus for reliable uptime
  • 7 full-height expansion slots to add compute or I/O cards
  • 3U rackmount form factor fits standard cabinets
  • 5 supported fans and included exhaust fans for directed airflow

Rackmount 3U chassis for dense storage

This 3U rackmount chassis holds sixteen 3.5" hot-swap drive bays and supports E-ATX motherboards up to 13.68" x 13". It ships with a redundant 1000 W Titanium power supply and a SAS3 12 Gbps single-expander backplane connected through four mini-SAS3 HD cables. Seven full-height expansion slots are available for add-in cards.

Verify motherboard size and backplane cabling

Confirm that your motherboard fits the 13.68" x 13" maximum dimension and matches the E-ATX or ATX form factor. The backplane uses four mini-SAS3 HD connectors — two uplink and two downlink — so your controller or HBA must provide compatible ports. Optional 2.5" hot-swap bays are not included unless ordered separately.

Redundant power and five-fan cooling

Two 1U 1000 W Titanium units with PMbus share the load and allow hot-swap replacement without downtime. Five fan positions are supported: three 80x80x38 mm middle fans at 7K RPM and two 80x32 mm rear exhaust fans at 6.7K RPM are included. A PDB with a longer 24-pin connector and dedicated fan-power cables simplify assembly.

How it compares

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

Price $1,278.99
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
Model nameCSE-836BE1C-R1K03B
Ports & slots
Expansion card slots7 x full-height & full-length expansion slots
Power
Power supply1U 800 / 1000 W Redundant Titanium Single Output Power Supply W/ PMbus
Size & build
Form factor3U
Chassis styleRackmount
Product dimensions5.2 in × 17.2 in × 25.5 in
Shipping weight31.82 kg
Package size889 × 673 × 318 mm
Compatibility
Supported motherboard sizes13.68 in x 13 in E-ATX and ATX

Questions about this item

Does the CSE-836BE1C-R1K03B ship with the redundant power supplies and backplane, or must I order them separately?

The package includes the chassis, a SAS3 12 Gbps single-expander backplane with 16 drive slots and four mini-SAS HD connectors, two 1U 1000 W redundant Titanium supplies with PMbus, a PDB, air shroud, front-panel cable, fan extension cable, DVD dummy cover, two 80 mm rear exhaust fans and three 80 mm middle fans.

Which backplane variant fits the CSE-836BE1C-R1K03B — the 16-bay 3.5" SAS3 expander or the optional 2.5" bay add-on?

The standard configuration provides 16 hot-swap 3.5" SAS/SATA bays on a single SAS3 12 Gbps expander backplane; an optional 2 x 2.5" hot-swap bay kit can be added if smaller drives are needed.

What does the 12 Gbps SAS3 backplane rating mean for actual drive throughput in this 3U chassis?

Each of the 16 bays connects through the SAS3 expander at up to 12 Gbps per lane, so SATA SSDs run at their native 6 Gbps while SAS HDDs or SSDs can use the full 12 Gbps link, limited only by the drive and HBA capabilities.

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