Not the cheapest ever but a good deal if you need some.
Seller accepted 3 @ GBP 30 each, shipping was fair, items well packed.
SuperMicro RAILS CSE 826 2U RAIL KIT INNER AND OUTER W-778-A-0 W-778-B-0 | eBay
Revision B1, yellow (ie mcp-290-00053-0n)
Seller accepted 3 @ GBP 30 each, shipping was fair, items well packed.
SuperMicro RAILS CSE 826 2U RAIL KIT INNER AND OUTER W-778-A-0 W-778-B-0 | eBay
Revision B1, yellow (ie mcp-290-00053-0n)