770-BBBM: Dell PowerEdge Tower-to-Rack Conversion Rail Kit for T640/T630
Also listed as: 0V78GY, V78GY
The Dell 770-BBBM is a Dell PowerEdge Tower-to-Rack Conversion Rail Kit for T640/T630 providing tool-less rack mounting and maintenance sliding access for Dell PowerEdge T640, T630 servers.
Specifications
| Part number | 770-BBBM |
|---|---|
| Brand | Dell |
| Type | Rail kits |
| Other numbers | 0V78GY, V78GY |
| Status | current |
| Form factor | 5U Tower-to-Rack Conversion Sliding Rail Kit |
| Rack mount type | Tool-less 4-post square hole, tooled 4-post round and threaded hole |
| Rail extension | Heavy-duty full extension sliding rails |
| Cable management | Compatible with optional tower cable management brackets |
About the 770-BBBM
The Dell 770-BBBM is a Dell PowerEdge Tower-to-Rack Conversion Rail Kit for T640/T630 engineered to mount Dell PowerEdge servers into standard 19-inch equipment racks. Built with heavy-gauge steel ball-bearing sliding mechanisms or static brackets, the 770-BBBM provides tool-less installation into square-hole or unthreaded round-hole four-post server racks.
Compatibility
Designed for Dell PowerEdge T640, T630 servers, the 770-BBBM accommodates standard rack depths and integrates with optional cable management arms. The 770-BBBM supports square-hole and round-hole racks using Dell ReadyRails mounting brackets, and can adapt to threaded four-post racks with optional adapter kits.
How to identify a genuine unit
Genuine Dell 770-BBBM rail assemblies carry stamped part numbers including DP/N 0V78GY, Left/Right rail indicators (L/R), and rack depth adjustment markings. Quick-release blue latch buttons on the 770-BBBM facilitate tool-free installation and removal from equipment rack posts.
Buying used
When purchasing pre-owned 770-BBBM rails, inspect the inner and outer sliding tracks to ensure ball bearings glide smoothly without binding or missing ball cages. Verify that both front and rear spring-loaded latch pins on the 770-BBBM engage securely, and confirm that both left and right rail assemblies are included.
Fits these models
Check compatibility with Dell
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Dell has tested with the Dell 770-BBBM.
- Compatibility Dell E-Lab Navigator (storage and SAN interoperability) (free vendor sign-in)
- Support Dell Support: drivers, manuals and service tag lookup
Equivalent part numbers
- Dell V78GY Dell direct spare part number for T640/T630 Tower to Rack kit
FAQ
Does converting the T640 to a rack server require removing the pedestal feet?
Yes, the floor feet and top cover handle must be removed before attaching the rack chassis slide ears.
How many rack units (U) does a rack-converted T640 occupy?
The PowerEdge T640 occupies 5U of vertical rack space when mounted with this conversion kit.
Buying or selling 770-BBBM?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Dell Tower to Rack Conversion Kit Installation Manual, checked 2026-10-27