Ampere Altra Q80-30 socket: LGA 4926

The Ampere Altra Q80-30 uses the LGA 4926 socket. It is a 210 W 80-core Arm server processor at 3.0 GHz for efficient single and dual-socket cloud servers.

Socket
LGA 4926
Launched
2020
Cores and threads
80 and 80
Base power
210 W
Codename
Altra
Segment
Server
Clocks
3.0 GHz

Ampere Altra Q80-30 specifications

Cores80
Threads80 (single-thread cores)
Core architectureAltra (Arm v8.2+)
Clocks3000 MHz sustained, no turbo
Cache128 KB L1 per core, 1 MB L2 per core, 32 MB system cache
Processor base power (TDP)210 W
Manufacturing process7 nm
Memory supportEight channels of DDR4-3200 ECC, up to 4 TB per socket
PCI Express128 PCIe Gen4 lanes per socket
ECC memoryYes
PackageLGA 4926 (FCLGA, 4926 lands)
MultiplierLocked
Integrated graphicsNone

Motherboard compatibility

Ampere Altra Q80-30 needs a motherboard with a LGA 4926 socket. Chipset by chipset data for this codename is not recorded yet. See the LGA 4926 chipset list and the board maker's CPU support list.

LGA 4926 at a glance

TypeLGA, 4,926 contacts
Package size77.08 × 67.00 mm
IntroducedMarch 2020
MemoryEight channels of DDR4-3200 ECC memory through the on-chip controllers
Cooler mounting holesLGA backplate and retention frame

Read the full LGA 4926 socket guide

What the Altra Q80-30 is

The Ampere Altra Q80-30 is an 80-core server processor with a 3.0 GHz sustained frequency. It runs 80 single-thread Arm v8.2+ cores with no turbo, so 80 cores give 80 threads. Cache is 1 MB of L2 per core with 128 KB of L1 per core plus a 32 MB system level cache on a 7 nm process. Power is rated at 210 W max with about 161 W usage power in a 4926-pin FCLGA package with order part number AC-108021002.

The launch 80-core bin balances clocks and power below the 3.3 GHz flagship, which is why the Q80-30 at 3.0 GHz suits mainstream cloud racks. Ampere launched Altra in 2020 with the Q80-30 among the first SKUs. The chip supports SBSA Level 4 with enterprise RAS and virtualization.

Full core count with a 210 W envelope suits mainstream cloud servers with DDR4 memory. The 40 W saving over the flagship keeps cooling costs down. That is why the Q80-30 shipped as the volume 80-core part.

Socket and motherboard compatibility

The Q80-30 fits LGA 4926 mainstream cloud servers with Altra support. It needs a 4926-land board with Ampere firmware and a BIOS that lists the Q80-30. The Socket vs chipset: what decides whether a CPU works guide covers pairing rules.

Mainstream cloud servers are the natural match. Boards listing the Q80-30 accept the chip with a 210 W heatsink.

Memory, PCIe and cooling

Memory is eight channels of DDR4-3200 ECC through the on-chip controllers, up to 4 TB per socket. PCIe Gen4 with 128 lanes per socket feeds storage and networking. Cooling uses server heatsinks on the LGA frame rated for 210 W.

Upgrade paths

On the same socket, a move to an Altra Q80-33 such as Ampere Altra Q80-33 adds 300 MHz at 250 W when peak frequency matters. An Altra Q64-30 such as Ampere Altra Q64-30 trims 16 cores at 180 W for lower power.

A move to Altra Max adds cores per socket. The LGA 4926 page lists the range for planning.

Frequently asked questions

What socket does the Altra Q80-30 use?

LGA 4926. It is a 210 W 80-core Arm server part at 3.0 GHz.

What memory does the Q80-30 use?

Eight channels of DDR4-3200 ECC, up to 4 TB per socket.

What is the upgrade path from the Q80-30?

A Q80-33 for 300 MHz more, or a Q64-30 with fewer cores at lower power.

Sources and verification

  1. Ampere Altra datasheet Q80-30 210W (Ampere)
  2. Ampere Altra Q80-30 specs (Newegg)
  3. Single Socket LGA 4926 board (ASRock Rack)

Facts last checked against these sources on . Page last edited on .