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Two silver metal rails with mounting brackets and sliding mechanism, rectangular shape, brushed finish

Qnap

Qnap RAIL-A03-57 80U Rail Kit for TS-x79 / TS-ECx80U Rackmount NAS

SKU CH-SM8A-BPMFV MPN RAIL-A03-57

Rack-mount rail kit supporting compatible QNAP NAS, expansion and surveillance servers with a 125.66 lb load capacity

  • Key featuresRail Kit for TS-x79 / TS-ECx80U Rackmount Models
  • Product dimensions2.72 in × 28.4 in × 3.96 in
  • Product weight5.8 lb (2.63 kg)
  • Secure rack mounting for TS-x79 and TS-ECx80U NAS models
  • Supports up to 125.66 lb load capacity for heavy enclosures
  • Compact 2.72" height fits standard 80U rack spacing
  • Lightweight 5.80 lb steel rails simplify installation
  • Compatible with QNAP NAS, expansion and surveillance servers

Compatible QNAP Rackmount NAS Models

The RAIL-A03-57 rail kit supports TS-x79 and TS-ECx80U series NAS servers, including TS-879U-RP, TS-1279U-RP, and TS-EC1680U-RP units. It also fits SS-EC1879U-SAS-RP and VS-12164U-RP PRO surveillance servers. Installers mount compatible enclosures into standard racks using this hardware.

Load Capacity and Physical Dimensions

The kit handles a maximum load capacity of 125.66 lb for heavy storage arrays. Assembled rails measure 2.72 inches high, 28.40 inches wide, and 3.96 inches deep. The package weighs 5.80 lbs and occupies minimal rack depth during installation.

Included Mounting Hardware

Bundled screws and brackets secure the rails to rack posts and attach the NAS chassis to the sliding rails. No separate fastener kits are required for the listed QNAP models. The hardware enables tool-less chassis removal for drive maintenance while rails remain fixed.

How it compares

Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.

Price $138.99
Cheaper than about 99% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameQNAP
Model nameRAIL-A03-57
Size & build
Product dimensions2.72 in × 28.4 in × 3.96 in
Product weight5.8 lb (2.63 kg)
Shipping weight2.64 kg
Package size706 × 102 × 71 mm

Questions about this item

How do I mount the RAIL-A03-57 kit so the TS-x79 enclosure is properly supported?

Align the rails with the cabinet mounting holes, secure the front and rear brackets using the supplied screws, then extend the inner rail sections until they lock; the kit supports up to 125.66 lb load capacity.

What part of the RAIL-A03-57 will need checking or replacement over time?

Inspect the sliding rail bearings and locking latches periodically; lubricate the bearings if movement stiffens and replace any latch that no longer holds the inner rail securely.

What limit appears first when the RAIL-A03-57 carries a fully loaded TS-ECx80U continuously?

The 125.66 lb maximum load capacity is the limiting factor; exceeding it risks rail deformation or latch failure under sustained weight.

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