Lenovo · WA7780 G3
Lenovo WenTian WA7780 G3
Lenovo WenTian WA7780 G3 is a 7U dual-socket AI training flagship with 8x NVIDIA Hopper HGX H800 (NVLink) GPUs, 640GB HBM3 memory, 3.2 Tb/s aggregate bandwidth. Designed for 100B+ parameter LLM training (9x training, 30x inference vs prior gen). International counterpart: ThinkSystem SR780a V3.
- 2 × Intel Xeon 4/5 Gen Sapphire/Emerald Rapids
- 32 × DDR5 DIMM 8 Channels，Maximum 4 TB+
- 8 × NVIDIA HGX H800 SXM5 NVLink (640 GB HBM3)
- 8 × RDMA High-speed NIC，3.2 Tb/s Aggregate (200/400G IB)
- 8 × NVMe SFF + Rear Expansion
- XClarity Controller 2 + Multiple redundant 6000W+
Published model specifications describe available options, not the delivered configuration.
Configurations & prices
Contact our team to confirm the configuration and quotation.
Listed prices are indicative; confirm tax, stock, compatibility, lead time and service in a written quotation.
Specifications & selection notes
Processor
| Model | Intel Xeon 4/5 Gen (Gold 6434H / Gold 6448Y / Platinum 8480+) |
|---|---|
| Slot count | 2 |
| Motherboard platform | C741 |
| PCIe | PCIe 5.0 |
Memory
| Type | DDR5 DIMM |
|---|---|
| Slot count | 32 DIMM (Each CPU 8 Channels) |
| Maximum capacity | 4 TB+ |
| Data rate | 4800 MT/s (1 DPC) / 4400 MT/s (2 DPC) |
Storage
| Front drive bays | 8 × NVMe SFF |
|---|---|
| Rear Expansion | 2 × 1.92TB SSD + 5 × 8TB HDD Typical |
| Interface type | NVMe / SAS / SATA |
| Typical configuration | 4 × 3.84TB NVMe + 7 × High capacity HDD |
Expansion and networking
| GPU | 8 × NVIDIA HGX H800 SXM5 NVLink (640 GB HBM3) |
|---|---|
| GPU Interconnect | NVLink + NVSwitch (900 GB/s Inter-card bandwidth) |
| High-speed NIC | 8 × 200G/400G InfiniBand RDMA |
| PCIe | PCIe 5.0 Multiple slots GPU Direct |
Power supply
| Power rating | Multiple redundant hot-swappable，Total 6000W+ |
|---|---|
| Redundancy | N+N Redundancy |
| Energy efficiency | 80 PLUS Titanium |
Chassis
| Specifications | 7U Rack mount |
|---|---|
| Dimensions | 447 × 306.65 × 885 mm |
| Cooling | Air cooling + Optional liquid cooling (Liquid cooling recommended) |
Management
| System management | XClarity Controller 2 (XCC2) |
|---|---|
| Operating system | RHEL / SUSE / Ubuntu / Kylin / UOS / openEuler + NVIDIA AI Enterprise |
| Domestic-IT certification | Government procurement catalog / Chinese national cryptography standards |
Product images
Images are references. Components, interfaces and the delivered configuration are specified in the quotation.
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