1Rx8 PC4‑2400T‑SA1‑11 refers to an 8GB DDR4‑2400 MHz, 1.2 V, 1Rx8 single‑rank SODIMM laptop memory module following the JEDEC PC4‑2400T standard.
- 1Rx8 — Single‑rank module with x8 memory chips, a common and highly compatible laptop configuration.
- PC4‑2400T — DDR4 memory rated at 2400 MHz (PC4‑19200 bandwidth)
- SA1‑11 — JEDEC timing/programming profile for this speed grade (vendors list it as part of the official spec)
- SODIMM — Small laptop‑size module (260‑pin), not a desktop DIMM
- 1.2 V — Standard DDR4 voltage