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Black 3U rackmount server chassis with aluminum front bezel and handle, two 5.25 inch bays, one 3.5 inch bay

iStarUSA Inc.

iStarUSA Inc. D-313SE-MATX 3U Rackmount Server Chassis

SKU CH-4VGN-TTZE8 MPN D-313SE-MATX

3U rackmount chassis for microATX boards with four internal 3.5″ bays, two external 5.25″ bays, four full-height slots and front USB 2.0

  • Form factor3U
  • Chassis styleRackmount
  • Housing materialAluminum / Steel
  • Supported motherboard sizes9.6 in x 9.6 in (microATX, mini-ITX)
  • 5.25-inch external bays2
  • External 3.5" drive bays1

Model D-313SE-MATX

  • Fits microATX boards up to 9.6" square
  • Four full-height expansion slots accept cards 165mm deep
  • Six drive bays: two 5.25", one external 3.5", four internal 3.5
  • Front aluminium bezel and handle with zinc-coated steel frame
  • Two USB 2.0 ports plus optional 120mm, 80mm front and 60mm rear fans

Compact 3U rack chassis for microATX builds

The iStarUSA D-313SE-MATX is a 3U rackmount server chassis built from zinc-coated steel with an aluminum front bezel and handles. It accepts microATX and mini-ITX motherboards up to 9.6" x 9.6" and provides four full-height expansion slots for add-in cards. Two front USB 2.0 ports and power or reset switches are included for direct access.

Suits space-limited racks needing legacy bays

This chassis fits builders who need a short-depth 3U enclosure with two external 5.25" bays and one external 3.5" bay for optical drives or removable media. It also offers four internal 3.5" bays for storage arrays. Buyers who require ATX or larger motherboard support, or who need more than four expansion slots, should look at a different form factor.

Four full-height slots up to 165mm deep

The expansion area accommodates cards up to 165mm long when internal hard drives are installed, which determines whether a specific GPU, RAID controller or NIC will physically fit. Cooling options include front mounts for 120mm and 80mm fans plus two rear 60mm positions, but the slot depth limit remains the decisive constraint for card selection.

How it compares

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

Price $179.99
Cheaper than about 66% of the 1,006 comparable items (median $222.49).

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Specifications

Product
Brand nameiStarUSA
Model nameD-313SE-MATX
Product colorBlack
Storage
5.25-inch external bays2
External 3.5" drive bays1
3.5-inch internal bays4
Ports & slots
Expansion card slots4 (full height & up to 165 mm deep with hdds installed)
Front panel ports2 x USB 2.0
Size & build
Form factor3U
Chassis styleRackmount
Housing materialAluminum / Steel
Product dimensions5.25 in × 19 in × 16.86 in
Shipping weight8.03 kg
Package size544 × 541 × 257 mm
Compatibility
Supported motherboard sizes9.6 in x 9.6 in (microATX, mini-ITX)

Other versions of this model

2 more in the same range

Questions about this item

Should I pick the microATX or mini-ITX motherboard for this 3U chassis?

The chassis accepts both 9.6" x 9.6" microATX and mini-ITX boards; choose microATX for four full-height expansion slots or mini-ITX if you need fewer cards and want maximum internal space.

What does the 165 mm expansion-slot depth mean once drives are installed?

With the four internal 3.5" drive bays populated, full-height cards up to 165 mm long still fit; longer cards would require removing one or more drives.

The front panel has USB 2.0 — what does that cap in practice?

Two USB 2.0 ports provide standard connectivity for keyboards, mice or boot media; they do not support the higher throughput of newer USB revisions.

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