FL870UTPR2 - HP 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket LGA1366 Intel Xeon E5540 Quad-Core Processor

FL870UTPR2 - HP 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket LGA1366 Intel Xeon E5540 Quad-Core Processor

SKU: FL870UTPR2 Brand: HP Category: Intel Unboxed Processors
$86.38 In Stock — Usually Ships in 1–3 Business Days

About the FL870UTPR2

Sourced for enterprise IT teams, the HP FL870UTPR2 (FL870UTPR2 - HP 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket LGA1366 Intel Xeon E5540 Quad-Core Processor) is a Intel Unboxed Processors component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include clock speed of 2.53 GHz, bus speed of 5.86 GT/s, cache of 8MB L3, cores of 4, socket of LGA1366. Typical use cases include data-center server fleet refresh, replacement of dead-on-arrival CPUs under existing service contracts, second-socket population on partially-populated dual-socket boards, and lab/test rebuild programs. Pro Disk Network supplies the FL870UTPR2 to US business buyers. Stocked units ship in 1–3 business days. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150.

Specifications

Part Identification

Technical Specifications

  • Clock Speed

    2.53 GHz

  • Bus Speed

    5.86 GT/s

  • Cache

    8MB L3

  • Cores

    4

  • Socket

    LGA1366

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 — usually ships in 1–3 business days

  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPNFL870UTPR2
ManufacturerHP
CategoryIntel Unboxed Processors
Clock Speed2.53 GHz
Bus Speed5.86 GT/s
Cache8MB L3
Cores4
SocketLGA1366
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — usually ships in 1–3 business days
Returns30-Day Returns — US

Summary

The FL870UTPR2 is a HP intel unboxed processors component with clock speed 2.53 GHz, bus speed 5.86 GT/s, cache 8MB L3. Pro Disk Network sells the FL870UTPR2 for $86.38 with US shipping in 1–3 business days and a 30-day return guarantee.

Trust Signals

  • US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
  • US Shipping in 1–3 Business Days — in-stock orders ship via UPS
  • 30-Day Returns — pre-paid label on DOA and defective items

Quick Answer: What socket does the FL870UTPR2 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 FL870UTPR2 ship?

FL870UTPR2 orders ship in 1–3 business days from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.

Email engineering for a compatibility check ›

Common Use Cases for FL870UTPR2

The FL870UTPR2 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.

  • Hyper-V Cluster Node — Windows Server Datacenter licenses by core, but Hyper-V scales linearly. Higher-clock, mid-core SKUs win for transactional workloads.
  • 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 FL870UTPR2?

The FL870UTPR2 is a HP server-class processor with clock speed 2.53 GHz and bus speed 5.86 GT/s, manufactured by HP. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with dispatch in 1–3 business days, backed by a 30-day return guarantee.

Pros & Cons of FL870UTPR2

Pros

  • Shipping in 1–3 business days from our US warehouse cuts deployment lead time

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 FL870UTPR2

Is the FL870UTPR2 a genuine HP part?
Yes. Pro Disk Network sources every FL870UTPR2 as factory-original HP inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What socket does the FL870UTPR2 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 FL870UTPR2 ship?
FL870UTPR2 orders ship in 1–3 business days from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the FL870UTPR2?
New FL870UTPR2 units carry the full HP 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 FL870UTPR2?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

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Pro Disk Network Buyer’s Guide: Intel Unboxed Processors

Socket Compatibility, EVC Mode, and BIOS Revision Planning

For VMware vSphere clusters, EVC (Enhanced vMotion Compatibility) mode dictates which CPU generations can coexist in the same cluster while still supporting live migration. Adding a newer-generation FL870UTPR2 to a cluster with older CPUs requires setting EVC to the older baseline, which disables newer instructions on the new CPU. Plan EVC mode at cluster creation time; changing it later requires powering off the cluster.

AI Workloads, AMX, and the Inference Performance Story

Plan memory bandwidth alongside the CPU: AMX inference is memory-bandwidth sensitive. A FL870UTPR2 paired with insufficient memory channels (e.g., DDR5-4800 in fewer than 8 channels per socket) will underperform its theoretical peak by 30-40%. Confirm motherboard channel count and DIMM population before ordering.

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