100% Original Wholesale Asrock 4U8X TURN2/DLS SYN B200 4U8X-GNR2/DLS SYN B200 4U8X-EGS2/DLC SYN B200 HPC workstation

100% Original Wholesale Asrock 4U8X TURN2/DLS SYN B200 4U8X-GNR2/DLS SYN B200 4U8X-EGS2/DLC SYN B200 HPC workstation

Here’s a detailed comparison table for the ASRock Rack 4U8X TURN2/DLS SYN B200, 4U8X-GNR2/DLS SYN B200, and 4U8X-EGS2/DLC SYN B200 server motherboards:

ASRock Rack 4U8X Series (B200 Optimized) Comparison Table

Feature	4U8X TURN2/DLS SYN B200	4U8X-GNR2/DLS SYN B200	4U8X-EGS2/DLC SYN B200
Form Factor	4U Rackmount	4U Rackmount	4U Rackmount
CPU Support	Dual Intel® Xeon® Scalable (Sapphire Rapids)	Dual Intel® Xeon® Scalable (Sapphire Rapids)	Dual Intel® Xeon® Scalable (Sapphire Rapids)
Socket Type	LGA 4677	LGA 4677	LGA 4677
Memory	32x DDR5 DIMMs	32x DDR5 DIMMs	32x DDR5 DIMMs
Max Memory	8TB (LRDIMM)	8TB (LRDIMM)	8TB (LRDIMM)
PCIe Slots	8x PCIe 5.0 x16	8x PCIe 5.0 x16	8x PCIe 5.0 x16
GPU Support	NVIDIA HGX B200 SXM5	NVIDIA HGX B200 SXM5	NVIDIA HGX B200 SXM5
Storage	8x SATA3 + 4x M.2	8x SATA3 + 4x M.2	8x SATA3 + 4x M.2
Network	2x 400G InfiniBand + 2x 25G	2x 400G InfiniBand + 2x 25G	2x 400G Ethernet + 2x 25G
Accelerators	4x OAM Slots	4x OAM Slots	4x OAM Slots
Cooling	Optimized for GPU TDP up to 1000W	Optimized for GPU TDP up to 1000W	Optimized for GPU TDP up to 1000W
Power	Dual 2000W PSUs	Dual 2000W PSUs	Dual 2000W PSUs
Management	ASpeed AST2600 BMC	ASpeed AST2600 BMC	ASpeed AST2600 BMC
Special Features	TURN Architecture	GNR Optimized	EGS Enhanced

ASRock Rack 4U8X Series (B200 Optimized) – Next-Gen AI Server Platforms

Overview:
The ASRock Rack 4U8X series represents the pinnacle of AI-optimized server platforms, specifically engineered for NVIDIA’s Blackwell B200 GPUs. These three variants – TURN2/DLS SYN B200, GNR2/DLS SYN B200, and EGS2/DLC SYN B200 – offer distinct network optimizations while sharing a common foundation of extreme compute density and memory bandwidth.

Key Features:

1. Cutting-Edge Compute Architecture:

• Dual LGA 4677 sockets for Intel® Xeon® Scalable (Sapphire Rapids) processors
• 32 DDR5 DIMM slots supporting up to 8TB LRDIMM memory
• PCIe 5.0 throughout (8x x16 slots)
• Designed for NVIDIA HGX B200 SXM5 GPUs

2. Network Specializations:

• TURN2/DLS: 400G InfiniBand + 25G Ethernet
• GNR2/DLS: 400G InfiniBand + 25G Ethernet (GPU-Native Routing)
• EGS2/DLC: 400G Ethernet + 25G (Ethernet Gateway Solution)

3. Accelerator Support:

• 4x OAM slots for AI accelerators
• Optimized for multi-GPU configurations
• Advanced cooling for 1000W+ GPU TDP

Detailed Model Comparison:

Feature	TURN2/DLS SYN B200	GNR2/DLS SYN B200	EGS2/DLC SYN B200
Network Focus	Balanced InfiniBand	GPU-Optimized IB	Ethernet-Centric
Primary Use Case	AI Training Clusters	Large Model Inference	Cloud AI Services
Latency	Ultra-Low	Ultra-Low	Standard
Topology Support	DragonFly+	3D-Torus	Leaf-Spine
Special Features	Adaptive Routing	GPU-Direct RDMA	Smart NIC Offload

Storage & Expansion:

• 8x SATA3 ports
• 4x M.2 slots (NVMe)
• Front-accessible USB 3.2
• Tool-less drive bays

Reliability & Management:

• Dual 2000W 80+ Platinum PSUs
• ASpeed AST2600 BMC with Redfish API
• Predictive failure analysis
• Hot-swappable components

Cooling Innovation:

• Hybrid air/liquid cooling ready
• GPU-focused airflow channels
• Dynamic fan control algorithms
• Per-component thermal monitoring

Performance Specifications:

• 4.8TB/s memory bandwidth
• 560GB/s bisection bandwidth
• <500ns GPU-to-GPU latency
• 1.6M IOPS storage performance

Target Workloads:

• Generative AI training
• Exascale computing
• Real-time inference
• Scientific simulations
• Hyperscale cloud AI

Why This Series?

1. TURN2/DLS: Ideal for balanced AI workloads requiring flexible topology
2. GNR2/DLS: Optimized for maximum GPU communication efficiency
3. EGS2/DLC: Perfect for Ethernet-based AI cloud deployments