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Silver and black 1U rackmount server chassis with four front hot-swap drive bays and six 40mm fans

Athena Power

Athena Power RM-1U1043HE12 1U 4-bay server chassis

SKU CH-4QFC-73S6J MPN RM-1U1043HE12

A 1U rackmount chassis holding four hot-swap 3.5″ or 2.5″ drives on a 12Gb/s Mini-SAS backplane, with E-ATX motherboard support, six 40mm fans and redundant power options

  • Form factor1U
  • Chassis styleRackmount
  • Housing material1.2 mm SGCC
  • Supported motherboard sizesMicroATX (9.6 in x 9.6 in) ATX (12 in x 9.6 in) E-ATX (12 in
  • Power supply1U Redundant 1U Single FlexATX
  • Hot-swappable baysHot-Swappable 3.5 in or 2.5 in HDD x 4
  • 12Gb/s Mini-SAS backplane enables rapid hot-swap drive access
  • Four front 3.5″ or 2.5″ bays support SAS and SATA storage
  • E-ATX 12″×13″ motherboard fits alongside mini-ITX and ATX
  • Six 40 mm central fans provide directed cooling airflow
  • Front USB 2.0 port plus power, activity and LAN LEDs

Form factor and motherboard support

This 1U rackmount chassis accepts motherboards from Mini-ITX up to E-ATX measuring 12 by 13 inches. It is built for operators who need dense storage in a single rack unit. It is not suited for builders requiring full-height expansion slots or liquid-cooling clearance beyond the 1.75-inch height.

12 Gb/s backplane and drive limits

A horizontal Mini-SAS HD SFF-8643 backplane provides four hot-swap bays for 3.5-inch or 2.5-inch SAS and SATA drives running at 12 Gb/s. Two internal 2.5-inch bays and one external slim optical bay add secondary storage. The four-bay backplane caps maximum hot-swap capacity, so arrays needing more than four drives must look elsewhere.

Installation notes and common issues

Tool-less caddies with anti-vibration springs and a two-segment metal lock secure each drive. Six 40 mm central fans pull air across the horizontal backplane. Installers should verify that the chosen 1U redundant, 1U single or FlexATX power supply fits the depth and cable routing, as clearance is tight behind the drive cage.

How it compares

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

Price $295.99
Pricier than about 65% 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 nameAthena Power
Model nameRM-1U1043HE12
Product colorSilver / Black
Storage
Hot-swappable baysHot-Swappable 3.5 in or 2.5 in HDD x 4
2.5-inch internal bays2.5 in HDD x 2 (Internal)
External slim drive baysExternal Slim ODD Bay x 1
Ports & slots
Front panel portsUSB 2.0 × 2 (Front)
Power
Power supply1U Redundant
1U Single
FlexATX
Size & build
Form factor1U
Chassis styleRackmount
Housing material1.2 mm SGCC
Product dimensions1.75 in × 17.2 in × 25.3 in
Shipping weight11.66 kg
Package size826 × 584 × 206 mm
Compatibility
Supported motherboard sizesMicroATX (9.6 in x 9.6 in)
ATX (12 in x 9.6 in)
E-ATX (12 in x 13 in)
Mini-ITX (6.7 in x 6.7 in)
More details
40mm fans6 × 40 mm Central

Questions about this item

Which drive-bay layout matches a four-drive hot-swap requirement?

The front panel holds four hot-swappable 3.5" or 2.5" bays on a single 12Gb/s Mini-SAS HD backplane, plus two internal 2.5" bays and one external slim ODD bay.

What does the 12Gb/s backplane rating mean for drive throughput in this chassis?

Each of the four bays connects through a 12Gb/s SAS lane, so SAS III and SATA III drives can run at their native link speed without a slower backplane bottleneck.

How does the SFF-8643 Mini-SAS HD connector limit cabling choices?

The backplane uses one four-port SFF-8643 connector, so a single Mini-SAS HD cable carries all four 12Gb/s lanes to a compatible RAID card or HBA.

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