ASUS X99-E WS
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| Reported | |
| CPU | Intel Xeon E5-2695 v4 |
|---|---|
| Runs on | Bare metal |
| Gen2 link | one slot never trains x16, another later dropped to x8 |
| Tested by | @matstatman |
| Source | Discord message |
| Confirmations | None yet. |
matstatman runs four cards on a used ASUS X99-E WS (PCIe Gen3) with an E5-2695 v4 and DDR4 UDIMM. Source: @matstatman, 2026-10-07
Source: @matstatman, 2026-10-07
Source: @matstatman, 2026-10-15 The board has a PLX switch (Miséricorde). Source: @wakeupmbrc1, 2026-10-18
Known issues
- PCIe slot 5 never accepted x16. Source: @matstatman, 2026-10-07
- The board was bought used from China for about 200 USD and was bad on arrival; later another slot lost x16 and runs x8. Source: @matstatman, 2026-10-16
Source: @matstatman, 2026-10-16 Waka324 saw the same x8 symptom on his early cards from a bad capacitor mod, so check the card too; endsjeremy advises against used boards unless you can repair them. Source: @cmdrwaka324, 2026-10-16
Source: @endsjeremy, 2026-10-16 - Memory is capped at 128 GB (non-ECC unbuffered). Source: @matstatman, 2026-10-07
matstatman's wish list for his next board: ATX, IPMI or vPro, four x16 slots. Miséricorde's answer was an EPYC board (MZ32-AR0, EATX). Source: @matstatman, 2026-10-16 See Gigabyte MZ32-AR0.