X5862A-2U - Sun 2.80GHz 6.40GT/s QPI 8MB L3 Cache Intel Xeon X5560 Quad Core Processor Upgrade for Fire X4270 Server

X5862A-2U - Sun 2.80GHz 6.40GT/s QPI 8MB L3 Cache Intel Xeon X5560 Quad Core Processor Upgrade for Fire X4270 Server

SKU: X5862A-2U Brand: Sun Category: Intel Unboxed Processors
Contact Us for Price In Stock — Ships Today

About the X5862A-2U

This Sun X5862A-2U delivers Intel Unboxed Processors functionality and is built for 24/7 enterprise duty cycles. Technical specifications include clock speed of 2.80 GHz, bus speed of 6.40 GT/s, cache of 8MB L3. Common deployment scenarios include in-place server upgrades from prior Xeon/EPYC generations, matched-pair second-socket installation, hot-spare provisioning, and refurbished rebuild programs for older platforms. Pro Disk Network maintains the X5862A-2U in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 90-day Pro Disk Network functional warranty. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.

Specifications

Part Identification

Technical Specifications

  • Clock Speed

    2.80 GHz

  • Bus Speed

    6.40 GT/s

  • Cache

    8MB L3

Order & Fulfillment Details

  • Condition

    Refurbished

    Quality Tier
    Professionally tested — new available on request
  • Warranty

    90-Day Pro Disk Network Warranty

    Coverage
    Advance replacement — we ship first, you return the faulty unit
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPNX5862A-2U
ManufacturerSun
CategoryIntel Unboxed Processors
Clock Speed2.80 GHz
Bus Speed6.40 GT/s
Cache8MB L3
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Returns — US

Summary

The X5862A-2U is a Sun intel unboxed processors component with clock speed 2.80 GHz, bus speed 6.40 GT/s, cache 8MB L3. Pricing on the X5862A-2U is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.

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

Quick Answer: What socket does the X5862A-2U 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 X5862A-2U ship?

Pro Disk Network dispatches the X5862A-2U 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.

Email engineering for a compatibility check ›

Common Use Cases for X5862A-2U

The X5862A-2U 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 X5862A-2U?

The X5862A-2U is a Sun server-class processor with clock speed 2.80 GHz and bus speed 6.40 GT/s, 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 X5862A-2U

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

  • Refurbished tier may have minor IHS markings
  • Tray packaging — no retail Intel/AMD cooler included

Frequently Asked Questions about X5862A-2U

Is the X5862A-2U a genuine Sun part?
Yes. Pro Disk Network sources every X5862A-2U 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 X5862A-2U 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 X5862A-2U ship?
Pro Disk Network dispatches the X5862A-2U 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 X5862A-2U?
New X5862A-2U 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 X5862A-2U?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

From the Same Series as X5862A-2U

Other parts that share the X5862A series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • X5862A — X5862A - Sun 2.80GHz 6.40GT/s QPI 8MB L3 Cache Intel Xeon X5560 Quad Core Processor — $540.85

Pro Disk Network Buyer’s Guide: Intel 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 X5862A-2U, 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).

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