Acer Altos BrainSphere R685 F4 GPU Server
Brand: Acer | Category: Servers
SKU: ACER-R685F4 | Part #: R685.F4 | MPN: R685.F4
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About the Acer Altos BrainSphere R685 F4 GPU Server
The Acer Altos BrainSphere R685 F4 is a purpose-built 2U server designed to deliver exceptional performance for AI/ML inference and training workloads at enterprise scale. Engineered with dual-socket EPYC architecture and support for up to 8 GPU accelerators in a compact form factor, the R685 F4 combines high computational density with optimized thermal management and power efficiency. This platform addresses the escalating demand for AI infrastructure by enabling organizations to consolidate AI workloads while maintaining flexibility for heterogeneous computing environments.
The server architecture prioritizes GPU connectivity and memory bandwidth, featuring comprehensive PCIe 5.0 support and optimized inter-GPU communication pathways. The R685 F4 accommodates mixed GPU configurations including NVIDIA H100, H200, L40S, and L4 accelerators, enabling enterprises to scale inference and training simultaneously across the same physical infrastructure. Redundant power supplies, hot-swappable components, and comprehensive remote management capabilities ensure production-grade reliability and operational efficiency.
Launched in Q3 2024, the BrainSphere R685 F4 reflects Acer's commitment to enterprise AI infrastructure maturity. The platform delivers optimized performance-per-watt metrics critical for large-scale deployments, with validated software stacks for popular frameworks including PyTorch, TensorFlow, and vLLM, ensuring rapid production deployment for generative AI, computer vision, and language model inference applications.
Ideal for
- Large language model (LLM) inference serving with multi-GPU tensor parallelism and batch optimization
- Generative AI training pipelines requiring high-throughput GPU compute and inter-node communication
- Computer vision model training and inference with support for diverse accelerator architectures
- Enterprise search and retrieval-augmented generation (RAG) infrastructure for knowledge workers
- Real-time recommendation engine inference requiring low-latency GPU computation at scale
- Scientific computing and HPC simulation acceleration for research institutions
Technical specifications
| Manufacturer | Acer |
| Model | Altos BrainSphere R685 F4 |
| Form Factor | 2U Rack Server |
| Processor | Dual-socket AMD EPYC 9004 series (up to 128 cores, 384 GB DRAM) |
| GPU Accelerators | Up to 8x PCIe 5.0 GPU slots (H100, H200, L40S, L4 compatible) |
| Memory Configuration | Up to 12x DDR5 DIMM slots per socket (384 GB maximum) |
| Memory Speed | DDR5-5600 registered DIMMs |
| Storage | Up to 4x 3.5" NVMe hot-swap drive bays |
| Network | 4x 10GbE RJ45 + 2x 25GbE SFP28 (expandable to dual-port 100GbE) |
| PCIe Architecture | PCIe 5.0 with optimized GPU slot layout for minimal latency |
| Power Supply | Dual 2000W or 2400W hot-swappable platinum-rated PSUs |
| Cooling | Liquid-capable rear-door heat exchanger with variable-speed fans |
| Remote Management | Baseboard Management Controller (BMC) with IPMI 2.0 and out-of-band management |
| Security | TPM 2.0, UEFI Secure Boot, encrypted BMC communications |
| Operating Systems | RHEL, Ubuntu, CentOS, SUSE, Windows Server certified support |
| Dimensions | 87 mm (H) × 482 mm (W) × 732 mm (D) |
| Weight | Approximately 45 kg (empty), 55+ kg (fully configured) |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
Technical Specifications
| Brand | Acer |
| Category | Servers |
| SKU | ACER-R685F4 |
| Part Number | R685.F4 |
| Condition | New |
| Model | Altos BrainSphere R685 F4 |
| Form Factor | 2U Rack Server |
| Processor | Dual-socket AMD EPYC 9004 series (up to 128 cores, 384 GB DRAM) |
| GPU Accelerators | Up to 8x PCIe 5.0 GPU slots (H100, H200, L40S, L4 compatible) |
| Memory Configuration | Up to 12x DDR5 DIMM slots per socket (384 GB maximum) |
| Memory Speed | DDR5-5600 registered DIMMs |
| Storage | Up to 4x 3.5" NVMe hot-swap drive bays |
| Network | 4x 10GbE RJ45 + 2x 25GbE SFP28 (expandable to dual-port 100GbE) |
| PCIe Architecture | PCIe 5.0 with optimized GPU slot layout for minimal latency |
| Power Supply | Dual 2000W or 2400W hot-swappable platinum-rated PSUs |
| Cooling | Liquid-capable rear-door heat exchanger with variable-speed fans |
| Remote Management | Baseboard Management Controller (BMC) with IPMI 2.0 and out-of-band management |
| Security | TPM 2.0, UEFI Secure Boot, encrypted BMC communications |
| Operating Systems | RHEL, Ubuntu, CentOS, SUSE, Windows Server certified support |
| Dimensions | 87 mm (H) × 482 mm (W) × 732 mm (D) |
| Weight | Approximately 45 kg (empty), 55+ kg (fully configured) |
Frequently Asked Questions about Acer Altos BrainSphere R685 F4 GPU Server
What does the Acer Altos BrainSphere R685 F4 GPU Server do?
The Acer Altos BrainSphere R685 F4 GPU Server is built for enterprise data-center workloads — virtualization (VMware, Proxmox, Nutanix), private cloud, database hosting, and AI/ML training. It fits standard EIA-310 server racks and supports redundant PSUs and hot-swap drives common in production environments.
What are the headline specs of the Acer Altos BrainSphere R685 F4 GPU Server?
Key specifications for the Acer Altos BrainSphere R685 F4 GPU Server: new condition; manufacturer Acer; model Altos BrainSphere R685 F4; form factor 2U Rack Server; processor Dual-socket AMD EPYC 9004 series (up to 128 cores, 384 GB DRAM); gpu accelerators Up to 8x PCIe 5.0 GPU slots (H100, H200, L40S, L4 compatible); memory configuration Up to 12x DDR5 DIMM slots per socket (384 GB maximum). Manufacturer part number R685.F4. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.