1U Cobra 110-A Dry Slide Rail for Dell

Replaces Dell ReadyRails
- Compatible with 11th - 14th Gen 1U Dell PowerEdge Servers
- Sliding rails extend equipment from the rack to allow for easier servicability
- High-quality dry slide that lasts longer than ball bearing rail kits
- Dell OEM ReadyRail kit not required
- Learn about the Cobra product line
Installs in both 2-Post and 4-Post racks
- 4-Post Mounting: 20” - 32" (508 - 812.8 mm) Mounting Depth
- 2-Post Mounting: Center mounts in 2-Post racks with 3 - 6" (76.2 - 152.4 mm) uprights
- Flush mount installation requires the Conversion Bracket 4-Pack (opens in a new tab)
- Works with universal square, round, and threaded hole racks
- Supports L, C, and ? rack upright shapes
- Occupies 1U of rack space
Compatible Dell PowerEdge Servers
- Dell PowerEdge Gen 16: R660xs
- Dell PowerEdge Gen 15: R450, R450xs, R6515, R650xs
- Dell PowerEdge Gen 14: R440, R640, R6415
- Dell PowerEdge Gen 13: R430, R630
- Dell PowerEdge Gen 12: R620
- Compatible with most Dell EMC VxRails
Alternative to Dell ReadyRails
The 1U Cobra 79 Rail for Dell can provide a stable, sturdy and easy-to-install sliding rail solution for Dell-compatible server racks. These slide rails are compatible with standard 19" EIA-310 server racks, and can work with either 2 post or 4 post models. In terms of server compatibility, the slide rails are designed for the Dell PowerEdge R320, R330, R410, R415, R420, R620, R630, R230 and PowerVault NX300 and NX400. The device is designed to fit in racks using either standard square, round or threaded holes, and feature an adjustable mounting depth between 20 - 32" (508 - 812.8 mm) in 4 Post and 3 - 6" (76.2 - 152.4 mm) in 2 Post. This rail kit is not a ball-bearing rail kit. A flush mount kit (opens in a new tab)is required for flush mount rail installation. The conversion brackets must match the corresponding rail’s U height (e.g., 1U rail = 1U Conversion Bracket).


Dell Slam Latch Retaining Plate
The 1U retaining plate allows the Dell PowerEdge server to be secured in place when using our server rail. The retaining plate provides full securement at the front of the chassis, ensuring the server maintains a fixed position when completely installed.


Mounts in 2 Post and 4 Post Racks
Unlike the Dell OEM Rail Kit, our sliding rack rail kit mounts in 2-Post and 4-Post racks that meet 19” EIA-310 standards. Designed to last longer than ball-bearing rail kits, the dry slides allow you to easily extend equipment in and out of your server rack. For 4-Post Racks, the rack rails feature an adjustable mounting depth between 20” - 32" (508 - 812.8 mm).


Rack Hole Type
The sliding rack rails occupy 1U of rack space and are compatible with threaded, round, and universal square holes.
| Made In America | Yes | BABA Compliant | No | RoHS Compliant | Yes | TAA Compliant | Yes | UL Compliant | No | ETL Compliant | No | Weight (lbs) | 4.195000 | Country of Manufacture | United States | OEM Compatibility | Dell | Replacement Dell OEM Rail | A7, A8, A10, A11, A12 | Generation | 12G, 13G, 14G, 15G, 16G | Product Line | PowerEdge, PowerVault | Form Factor | Server | U Height | 1U | Rack Type | 2 Post , 4 Post | Rack Hole Type | 10-32 Thread, 12-24 Thread, M6 Thread, Square Hole | Fixed/Sliding | Sliding | Weight Capacity | 30 - 100 lbs | Dell Part Number | 122-2579 - A6289666 For a full list of Dell SKUs setup in the Dell ordering system visit our Dell SKU page. |
Synnex Part Number | 122-2579 - 4614559 | Ingram Part Number | 122-2579 - PP6889 |
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Installation Instructions
1U Cobra 110-A Dry Slide Rail for Dell (122-2579)
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4 Post Mounting Dimensional Drawings
1U Cobra 110-A Dry Slide Rail for Dell (122-2579)
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2 Post Center Mounting Dimensional Drawings
1U Cobra 110-A Dry Slide Rail for Dell (122-2579)
Open PDF
2 Post Flush Mounting Dimensional Drawings
1U Cobra 110-A Dry Slide Rail for Dell (122-2579)
Open PDFKit Contents:
- (2) Outer Rail (Left & Right)
- (2) Inner Rail (Left & Right)
- (2) Rear Bracket
Rear Bracket Hardware:
- (4) 8-32 x .375 Flat Head Screw
- (4) 8-32 Keps Nut
Mounting Hardware:
- (8) 8-32 x .500 Pan Head Screw
- (2) Retainer Plate (Left & Right)
- (2) Mounting Plate
Rack Mount 8x:
- (8) 10-32 x .500 Pan Head Screw
- (8) 12-24 x .500 Pan Head Screw
- (8) 12-24 x Square Nut
- (8) 12-24 x Cage Nut
- PowerEdge NX400
- PowerEdge NX440
- PowerEdge R430
- PowerEdge R440
- PowerEdge R450
- PowerEdge R450xs
- PowerEdge R620
- PowerEdge R630
- PowerEdge R640
- PowerEdge R6415
- PowerEdge R650xs
- PowerEdge R6515
- PowerEdge R660xs
- PowerVault NX300
