Sourced for enterprise IT teams, the Sun 371-0856 (371-0856 - Sun 2.6GHz 1000MHz FSB 2MB L2 Cache Socket 940 E6 Stepping AMD Opteron Dual Core 285 Processor Upgrade for Sun Fire X4500 RoHS Y) is a AMD Unboxed Processors component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include clock speed of 2.6 GHz, bus speed of 1000 MHz FSB, cache of 2MB L2. Workload fit covers VMware ESXi virtualization hosts (vCPU density), SQL Server / Oracle database licensing optimization (per-core), Kubernetes container density, and HPC compute-node provisioning. Pro Disk Network sources the 371-0856 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 371-0856 is a Sun amd unboxed processors component with clock speed 2.6 GHz, bus speed 1000 MHz FSB, cache 2MB L2. Pricing on the 371-0856 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 371-0856 are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
Confirm the socket against your motherboard's CPU support list - Intel Xeon Scalable spans LGA 3647 (1st/2nd gen), LGA 4189 (3rd gen Ice Lake), and LGA 4677 (4th/5th gen Sapphire/Emerald Rapids). A BIOS update is often required for newer steppings even on the same socket. Email sales@prodisknetwork.com with your motherboard model for a compatibility check.
How fast does the 371-0856 ship?
Pro Disk Network dispatches the 371-0856 same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
The 371-0856 is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Citrix VDI Pool — Frequency-sensitive — prefer high-clock 16–18 core SKUs over high-core-count parts to maintain user-perceived snappiness.
Kubernetes / Tanzu Workers — Higher core count amortises better across many small Pods. EVC mode planning matters for live-migrate parity.
AI Inference Host — Sapphire Rapids and Emerald Rapids include AMX silicon for INT8 inference acceleration — meaningful uplift for BERT, ResNet, and LLM serving.
What is the 371-0856?
The 371-0856 is a Sun server-class processor with clock speed 2.6 GHz and bus speed 1000 MHz FSB, manufactured by Sun. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of 371-0856
Pros
Lower cost than the manufacturer channel for refresh cycles
Matched-pair option for dual-socket consistency
Sequential serial numbers on bulk orders for cluster builds
Cons
Older microarchitecture — not appropriate for new AI/AMX workloads
Not always silicon-binned for overclocking
Stepping mismatch with newer revisions can require microcode update
Frequently Asked Questions about 371-0856
Is the 371-0856 a genuine Sun part?
Yes. Pro Disk Network sources every 371-0856 as factory-original Sun inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Sun servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What socket does the 371-0856 use?
Confirm the socket against your motherboard's CPU support list - Intel Xeon Scalable spans LGA 3647 (1st/2nd gen), LGA 4189 (3rd gen Ice Lake), and LGA 4677 (4th/5th gen Sapphire/Emerald Rapids). A BIOS update is often required for newer steppings even on the same socket. Email sales@prodisknetwork.com with your motherboard model for a compatibility check.
How fast does the 371-0856 ship?
Pro Disk Network dispatches the 371-0856 same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
What is the warranty on the 371-0856?
New 371-0856 units carry the full Sun manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 371-0856?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Pro Disk Network Buyer’s Guide: AMD Unboxed Processors
Socket Compatibility, EVC Mode, and BIOS Revision Planning
For Hyper-V clusters, Live Migration compatibility is more forgiving but still benefits from matched CPU stepping across cluster nodes. For Kubernetes / Tanzu, CPU heterogeneity is acceptable because pods are stateless, but resource-request planning becomes harder when nodes have different core counts.
AI Workloads, AMX, and the Inference Performance Story
Late-generation Intel Xeon processors (Sapphire Rapids, Emerald Rapids, Granite Rapids) include AMX (Advanced Matrix Extensions) silicon that accelerates INT8 inference workloads dramatically. For the 371-0856, if AMX is present, BERT-base inference throughput improves 4-6× over the previous generation; LLM inference (Llama 2 7B INT8 quantised) improves 2-3×. AMX does not require code changes when used through libraries that already support it (oneAPI, ONNX Runtime, OpenVINO).