Write combining (WC) is a computer bus technique for allowing data to be combined and temporarily stored in a buffer — the write combine buffer (WCB) — to be released together later in burst mode instead of writing (immediately) as single bits or small chunks.

Write combining (WC) is a computer bus technique for allowing data to be combined and temporarily stored in a buffer — the write combine buffer (WCB) — to be released together later in burst mode instead of writing (immediately) as single bits or small chunks.