Intel Xeon 6970E+ socket: LGA 7529
The Intel Xeon 6970E+ uses the LGA 7529 socket. It is a 192 core Clearwater Forest server processor with a 2.3 GHz base frequency and boost to 3.2 GHz, 480 MB of cache, and DDR5 memory in 12 channels.
- Socket
- LGA 7529
- Launched
- May 2026
- Cores and threads
- 192 and 192
- Base power
- 400 W
- Codename
- Clearwater Forest
- Segment
- Server
- Family
- Intel Xeon
- Clocks
- 2.3 / 3.2 GHz
Intel Xeon 6970E+ specifications
| Cores | 192 |
|---|---|
| Threads | 192 (single thread per core, no Hyper-Threading) |
| Core architecture | Darkmont (E-cores), 0 P-cores |
| Clocks | 2.3 GHz base, up to 3.2 GHz max turbo (3.0 GHz all-core turbo) |
| Cache | 480 MB |
| Processor base power (TDP) | 400 W |
| Manufacturing process | Intel 18A |
| Memory support | DDR5 RDIMM up to 8000 MT/s, 12 channels, up to 1.5 TB |
| PCI Express | PCIe 5.0, up to 96 lanes |
| Integrated graphics | None |
| ECC memory | Yes |
| Package | FCLGA7529 with carrier BR1B (104.5 mm x 70.5 mm) |
| Scalability | 2S (up to 2 sockets) |
| Launch price | $7680 (Intel RCP at launch) |
Motherboard compatibility
Intel Xeon 6970E+ needs a motherboard with a LGA 7529 socket. Chipset by chipset data for this codename is not recorded yet. See the LGA 7529 chipset list and the board maker's CPU support list.
LGA 7529 at a glance
| Type | LGA, 7,529 contacts |
|---|---|
| Package size | n/a |
| Introduced | September 2024 |
| Memory | DDR5, 12 channels |
| Cooler mounting holes | Board specific (server heatsink) |
What the Xeon 6970E+ is
The Xeon 6970E+ is a 192 core member of the Xeon 6+ family under the codename Clearwater Forest. Every core is a Darkmont Efficient-core and the part has no Performance-cores, so 192 threads reach the operating system at one thread per core. Base frequency is 2.3 GHz with maximum turbo to 3.2 GHz and 3.0 GHz all-core turbo. Shared last level cache totals 480 MB. The part suits virtualization clusters, container fleets, edge aggregation points, and private clouds that want dense E-core throughput without paying for the top core count.
Compute tiles come from Intel 18A with base tiles on Intel 3 and I/O tiles on Intel 7. Processor base power is 400 W. Integrated graphics are absent, so serial console management and discrete accelerators handle display and offload duties. Four default devices each for QuickAssist, Dynamic Load Balancer, Data Streaming Accelerator, and In-memory Analytics Accelerator stay available for crypto, queuing, and movement tasks. AVX2 with AVX-VNNI covers vector work, and ECC guards all memory channels.
Launch came in May 2026 at 7680 dollars Intel recommended customer price. The part sits below the 264 core Xeon 6980E+ and above the 144 core Xeon 6960E+, which makes it the middle step for buyers who track price per thread. Its 2.3 GHz base is the second highest in the batch, so lightly threaded slices of a dense node still get a fair clock while full socket runs hold 3.0 GHz all-core turbo.
Socket and motherboard compatibility
The Xeon 6970E+ fits the LGA 7529 socket, a land grid array with 7,529 contacts for high density servers. The package reads FCLGA7529 with carrier BR1B and spans 104.5 mm x 70.5 mm. Scalability of 2S allows one socket boards and two socket boards built around Clearwater Forest silicon. Before purchase, the board vendor CPU support list decides the match, down to the minimum BIOS revision with this processor microcode.
The Socket vs chipset: what decides whether a CPU works describes why a shared socket never guarantees a boot, since firmware and power delivery qualify each processor on its own. That warning fits server gear exactly, where each board revision carries its own tested list. Compared with LGA 4710 and its 8 memory channels, this socket feeds 12 channels to each processor, and parts made for the smaller socket cannot seat here.
Dual socket operation links two chips over six UPI paths at 24 GT/s and totals 384 cores with 384 threads per system. Cooling selection tracks the board vendor catalog for 400 W processors, split between high airflow air-cooled heatsinks and liquid loops for warm data halls. The tray ships without a cooler. Deployment teams confirm the node holds 3.0 GHz all-core turbo under a full container load before they clone the configuration across the rack.
Memory, PCIe and cooling
DDR5 RDIMM memory reaches 8000 MT/s with one DIMM per channel over 12 channels, up to 1.5 TB on the socket. ECC comes standard, and peak theoretical bandwidth is 768.0 GB/s. Rated speed holds at one DIMM per channel, so capacity builds that fill every slot follow the vendor matrix to keep clocks up. Mixed DIMM types or deeper populations bring the rate down, which architects weigh against capacity targets.
On expansion, 96 lanes of PCI Express 5.0 leave the processor for network interfaces, NVMe shelves, and accelerators, while 64 CXL 2.0 lanes shared with PCI Express take memory expanders and coherent devices. Six UPI links at 24 GT/s keep socket pairs coherent. Typical builds hang 100 gigabit and faster fabric plus flash pools off those lanes, then reserve spare lanes for a future accelerator card without a board swap.
Cooling design starts from 400 W base power with a 102 degrees C maximum junction from the digital sensor and 79 degrees C maximum case temperature. Sustained multi socket racks budget for all-core turbo draw over long jobs rather than short bursts. The large 104.5 mm x 70.5 mm package relies on the board carrier and bolster plate for seating force. Hot aisle layout, blanking panels, and fan curves all belong in the thermal plan for 192 core nodes.
Upgrade paths
The LGA 7529 family spans 144 to 288 cores, so holders of the Xeon 6970E+ can move up to the 264 core Xeon 6980E+ or the 288 core Xeon 6990E+, or drop to the 144 core Xeon 6960E+, on the same board family where power and firmware allow. Memory stays at 12 channels and expansion at 96 PCIe lanes through those moves, which isolates the choice to threads, cache, and watts. Vendor lists state which siblings each board revision accepts.
A platform exit costs more than the processor delta. Boards, heatsinks, power budgeting, and the 12 channel RDIMM set all change when leaving for LGA 4710 or desktop hardware. Used market buyers in particular recheck carrier version and BIOS age, since an older board may predate Clearwater Forest microcode. Total planning covers chassis airflow and power feeds sized for 400 W sockets.
Where the Xeon 6970E+ stays, headroom remains in DIMMs, drives, and fabric. Memory can grow toward 1.5 TB, flash pools can widen, and network links can step up before the 192 threads run out. If tenant count still outruns the node, adding the second socket doubles the system to 384 threads. Only when rack power or floor space caps the build does a denser sibling earn its premium.
Frequently asked questions
What socket does the Intel Xeon 6970E+ use?
The Intel Xeon 6970E+ uses LGA 7529. It fits single socket and dual socket server boards built for Clearwater Forest parts in the FCLGA7529 package. Always confirm the part on the board vendor CPU support list with the planned BIOS revision.
What does the E+ suffix in Xeon 6970E+ mean?
Intel groups the part under Xeon 6+ processors on ARK and lists 192 Efficient-cores with 0 Performance-cores, so buyers read E+ as the E-core branch of the Xeon 6+ family. The plus sign matches the family name rather than a higher clock tier.
How many threads does the Xeon 6970E+ have, and does it use Hyper-Threading?
The part has 192 threads, one per core. ARK lists 192 total threads against 192 Efficient-cores and 0 Performance-cores, and these E-cores run a single thread each, so there is no Hyper-Threading to enable or license per core.
How much cooling does the Xeon 6970E+ need?
Plan for 400 W base power with vendor qualified air or liquid heatsinks, since tray parts ship with no cooler. The ARK limits are 102 degrees C maximum junction and 79 degrees C maximum case temperature, so racks need steady front to back airflow that holds 3.0 GHz all-core turbo under full load.
Sources and verification
- Intel Xeon 6970E+ Processor specifications (Intel ARK)
- Intel Xeon 6970E+ Specs (TechPowerUp CPU Database)
Facts last checked against these sources on . Page last edited on .