R23A/R33A/R83A PCI-E Riser Card PCIe 5.0 X4 X8 X16 Gen5 Adapter Test Card Heightened 18.6/19/19.25mm Motherboard Slot ProtectorOverviewThis PCIe Heightened Riser Protection Card includes 3 specifications: PCIe x4/x8/x16, converting PCIe x16 slot to x4/x8/x16 interface, used for motherboard slot protection, hardware testing and debugging, effectively preventing PCIE slot abrasion from frequent plugging.

• R33A(X16): Height 19.25mm, PCIe5.0 x16
• R23A(X4): Height 18.6mm, PCIe5.0 x4
• R83A(X8): Height 19mm, PCIe5.0 x8Available in standard version & FG version with aircraft buckle lock, ADT customized connector option for PCIe4.0 x16 model.

Model ListRiser ModelSpecVersionSpeedR33A-ADT-4.0PCIe X16Custom ConnectorPCIe4.0 X16R33A 5.0PCIe X16StandardPCIe5.0 X16R33A-FG-5.0PCIe X16Aircraft BucklePCIe5.0 X16R23APCIe X4StandardPCIe5.0 X4R23A-FGPCIe X4Aircraft BucklePCIe5.0 X4R83APCIe X8StandardPCIe5.0 X8R83A-FGPCIe X8Aircraft BucklePCIe5.0 X8Key Features

1. Wide Compatibility: Fully backward compatible with PCIe Gen3/Gen4/Gen5, stable high-speed transmission up to Gen5 bandwidth.
2. Premium 10U Gold Plated Fingers: Meets IPC Class 1 standard, anti-oxidation, wear-resistant for repeated plug and test.
3. High-quality Connector: Custom/LOTES connector with thick gold-plated terminals, LCP flame retardant & high temp resistant plastic steel, buckle design for tight connection.
4. Superior PCB Board: High-frequency low-resistance anti-oxidation substrate, translucent yellow crystal board, no deformation, whitening or blackening under high temperature.
5. 1:1 Pin Mapping: Precise pin definition, great compatibility with all mainstream PC motherboards.

Purchase ReminderWe suggest purchasing 1~2pcs samples for compatibility test before bulk order to avoid mismatching loss.ApplicationPerfect for motherboard factory test, PC maintenance, GPU installation debug, server assembly, computer DIY modification & hardware lab testing.

R23A:

R33A:

R83A: