Gigabyte MZ32-AR0: Difference between revisions
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Up to 14x 8 GB CMP 170HX on a Gigabyte MZ32-AR0, from Discord (zorg33, Miséricorde, impactic, segmond, _kanorin); sources: @zorg33, @_kanorin, @segmond, @impactic, @wakeupmbrc1 |
Up to 14x 8 GB CMP 170HX on a Gigabyte MZ32-AR0, from Discord (zorg33, Miséricorde, impactic, segmond, _kanorin); sources: @zorg33, @_kanorin, @segmond, @impactic, @wakeupmbrc1 |
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== What people report == | == What people report == | ||
* _kanorin asked about rev 1.0 / 3.0 and could not find Resizable BAR documentation. segmond has 8 GPUs (not CMPs) on a rev 1 with no problems apart from slow POST and a broken SlimSAS PCIe slot; impactic has used a rev 1.1 for months with no issues. {{Source|handle=_kanorin|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563012364435984455}}<br />{{Source|handle=_kanorin|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563012638017978512}}<br />{{Source|handle=segmond|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563053629970055191}}<br />{{Source|handle=segmond|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563053910258622485}}<br />{{Source|handle=impactic|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563055401396871259}}<br />{{Source|handle=impactic|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563055488944578592}} | * _kanorin asked about rev 1.0 / 3.0 and could not find Resizable BAR documentation. segmond has 8 GPUs (not CMPs) on a rev 1 with no problems apart from slow POST and a broken SlimSAS PCIe slot; impactic has used a rev 1.1 for months with no issues. {{Source|handle=_kanorin|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563012364435984455}}<br />{{Source|handle=_kanorin|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563012638017978512}}<br />{{Source|handle=segmond|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563053629970055191}}<br />{{Source|handle=segmond|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563053910258622485}}<br />{{Source|handle=impactic|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563055401396871259}}<br />{{Source|handle=impactic|date=2026-10-23|link=https://discord.com/channels/1518634379604136178/1534370835220004885/1563055488944578592}} | ||
* Miséricorde's price/performance pick for 4 cards: MZ32-AR0 (about 2300 RMB) plus a 48-core Rome such as the 7K62, about 450 to 650 USD for board and CPU, or 500 to 550 USD on Taobao | * Miséricorde's price/performance pick for 4 cards: MZ32-AR0 (about 2300 RMB) plus a 48-core Rome such as the 7K62, about 450 to 650 USD for board and CPU, or 500 to 550 USD on Taobao. On 2026-10-18 he compared the board at about 2000 RMB with 1700 RMB and up for an X99-E WS class PLX board, and called buying EPYC the easier route. Rome with 48 cores still gives full 8-channel bandwidth and 128 lanes. {{Source|handle=wakeupmbrc1|date=2026-10-16|link=https://discord.com/channels/1518634379604136178/1528826330454429706/1560648418433433662}}<br />{{Source|handle=wakeupmbrc1|date=2026-10-16|link=https://discord.com/channels/1518634379604136178/1528826330454429706/1560648485198495867}}<br />{{Source|handle=wakeupmbrc1|date=2026-10-18|link=https://discord.com/channels/1518634379604136178/1518692084729511967/1561403720632369236}}<br />{{Source|handle=wakeupmbrc1|date=2026-10-18|link=https://discord.com/channels/1518634379604136178/1518692084729511967/1561405710301134941}}<br />{{Source|handle=wakeupmbrc1|date=2026-10-18|link=https://discord.com/channels/1518634379604136178/1518692084729511967/1561405807231242320}}<br />{{Source|handle=wakeupmbrc1|date=2026-10-18|link=https://discord.com/channels/1518634379604136178/1518692084729511967/1561405829939200061}} | ||
* The board splits one PCIe x16 into SAS connectors. {{Source|handle=wakeupmbrc1|date=2026-10-16|link=https://discord.com/channels/1518634379604136178/1528826330454429706/1560650062474772653}} | * The board splits one PCIe x16 into SAS connectors. {{Source|handle=wakeupmbrc1|date=2026-10-16|link=https://discord.com/channels/1518634379604136178/1528826330454429706/1560650062474772653}} | ||
Latest revision as of 10:02, 30 October 2026
| Reported 8 GB | |
| CPU | Single-socket AMD EPYC Rome or Milan (7K62 suggested) |
|---|---|
| Runs on | Bare metal |
| Settings that mattered | no Resizable BAR documentation found by _kanorin |
| Tested by | @zorg33 |
| Source | Discord message |
| Confirmations | None yet. |
A single-socket SP3 EPYC board with 16 DIMM slots. zorg33 runs 14x 8 GB CMP 170HX on one (photo posted). Source: @zorg33, 2026-10-23
What people report
- _kanorin asked about rev 1.0 / 3.0 and could not find Resizable BAR documentation. segmond has 8 GPUs (not CMPs) on a rev 1 with no problems apart from slow POST and a broken SlimSAS PCIe slot; impactic has used a rev 1.1 for months with no issues. Source: @_kanorin, 2026-10-23
Source: @_kanorin, 2026-10-23
Source: @segmond, 2026-10-23
Source: @segmond, 2026-10-23
Source: @impactic, 2026-10-23
Source: @impactic, 2026-10-23 - Miséricorde's price/performance pick for 4 cards: MZ32-AR0 (about 2300 RMB) plus a 48-core Rome such as the 7K62, about 450 to 650 USD for board and CPU, or 500 to 550 USD on Taobao. On 2026-10-18 he compared the board at about 2000 RMB with 1700 RMB and up for an X99-E WS class PLX board, and called buying EPYC the easier route. Rome with 48 cores still gives full 8-channel bandwidth and 128 lanes. Source: @wakeupmbrc1, 2026-10-16
Source: @wakeupmbrc1, 2026-10-16
Source: @wakeupmbrc1, 2026-10-18
Source: @wakeupmbrc1, 2026-10-18
Source: @wakeupmbrc1, 2026-10-18
Source: @wakeupmbrc1, 2026-10-18 - The board splits one PCIe x16 into SAS connectors. Source: @wakeupmbrc1, 2026-10-16
Notes
- Fourteen cards on one board means switches or risers off the SAS/SlimSAS ports; the layout was not described. See Risers and bifurcation.
- Status note: zorg33's 14-card report is the only one with CMP cards on this board; nobody else confirmed CMPs on it, so it stays Reported.