LGA 7228 socket: CPUs, chipsets and cooler fit
LGA 7228 is the Ampere land grid array socket that carries AmpereOne M cloud and AI server processors. It uses 7228 lands with twelve DDR5 channels and 96 PCIe Gen5 lanes.
Quick facts
| Maker | Ampere |
|---|---|
| Package type | LGA |
| Contacts | 7,228 |
| Package size | n/a |
| Introduced | May 2025 |
| Status | Previous generation |
| Memory | Twelve channels of DDR5 ECC memory |
| PCIe from the CPU | 96 PCIe Gen5 lanes from the SoC per socket |
| Cooler mounting holes | LGA backplate and retention frame |
| Replaces | LGA 4926 |
| Replaced by | None |
Overview
The socket serves single-socket cloud servers from 2025 with 96 to 192 single-thread Arm cores per package. Its 5 nm compute chiplets target dense AI-adjacent cloud racks.
Processor generations
| Codename | Marketing name | Years | Notes |
|---|---|---|---|
| AmpereOne M | AmpereOne M | 2025 | 5 nm Armv8.6+ SoCs with up to 192 single-thread cores, 2 MB of L2 cache per core and 64 MB of system cache, including the 192-core A192-32M at 3.2 GHz and 346 W. |
Who LGA 7228 serves
LGA 7228 targets single-socket cloud servers with dense Arm cores. Boards such as the GIGABYTE R2A3-T40 pair the socket with DDR5 memory and Gen5 NVMe storage. The AmpereOne M line covers 96 to 192 cores.
Memory and cooling
Memory is DDR5 ECC through the twelve on-chip channels, up to 3 TB per socket. Cooling uses 1U and 2U server heatsinks on the LGA frame with front-to-back airflow rated up to 346 W. BMC management comes from the board vendor.
CPUs on LGA 7228
1 processor page in the database, newest first.
| Processor | Cores / threads | Base / boost | TDP | Launched |
|---|---|---|---|---|
| Ampere AmpereOne A192-32M | 192 / 192 | 3.2 GHz | 346 W | May 2025 |
Frequently asked questions
Which processors fit LGA 7228?
AmpereOne M Arm server processors with up to 192 cores, including the flagship 192-core A192-32M at 3.2 GHz and 346 W covered here.
Is LGA 7228 the same as LGA 4926?
No. LGA 7228 has 7228 lands with 12 DDR5 channels for AmpereOne M, while LGA 4926 has 4926 lands with 8 DDR4 channels for Altra. The packages are physically different.
What memory does LGA 7228 use?
Twelve channels of DDR5 ECC memory, up to 3 TB per socket. The board sets the exact population rules.
How many PCIe lanes does LGA 7228 provide?
96 PCIe Gen5 lanes from the SoC per socket. Lanes feed NVMe storage and network cards.
Sources and verification
- AmpereOne M 7228-pin FCLGA 12-channel DDR5 (TechSpot)
- AmpereOne M A192-32M in GIGABYTE server (ServeTheHome)
- AmpereOne family product brief (Ampere)
Facts last checked against these sources on . Page last edited on .