ESL7B9 - Gateway 3.40GHz 800MHz FSB 1MB L2 Cache Socket PGA478 Intel Pentium 4 550 1-Core Processor

ESL7B9 - Gateway 3.40GHz 800MHz FSB 1MB L2 Cache Socket PGA478 Intel Pentium 4 550 1-Core Processor

SKU: ESL7B9 Category: CPUs & Processors
$65.76 In Stock — Ships Today

About the ESL7B9

This ESL7B9 delivers CPUs & Processors functionality in a form factor and electrical specification matched to enterprise rack server and data-center deployments. The unit is built for 24/7 enterprise duty cycles and is verified against the OEM part-number registry before listing. Technical specifications include clock speed of 3.40 GHz, bus speed of 800 MHz FSB, cache of 1MB L2. 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 ESL7B9 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 30-day Pro Disk Network functional warranty. Net 30 terms are available for qualified business accounts. 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

    3.40 GHz

    Verified specification
    Source: manufacturer datasheet
  • Bus Speed

    800 MHz FSB

    Verified specification
    Source: manufacturer datasheet
  • Cache

    1MB L2

Order & Fulfillment Details

  • Condition

    New / Certified Refurbished

    Quality Tier
    Each refurb unit tested + functional warranty
  • Warranty

    30-Day Pro Disk Network Guarantee

    Coverage
    Return for full refund within 30 days of delivery
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Free Returns — US

    Return Window
    Original packaging required
Part Number / MPNESL7B9
CategoryCPUs & Processors
Clock Speed3.40 GHz
Bus Speed800 MHz FSB
Cache1MB L2
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The ESL7B9 is a enterprise-grade cpus & processors component with clock speed 3.40 GHz, bus speed 800 MHz FSB, cache 1MB L2. Pro Disk Network sells the ESL7B9 for $65.76 with same-day US shipping and a 30-day free return guarantee.

Trust Signals

  • Florida-Registered LLC — 7345 W Sand Lake Rd, Orlando FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via FedEx/UPS
  • 30-Day Free Returns — pre-paid label included on all US orders
  • Net 30 Available — for verified business buyers
  • 2,000+ B2B Customers — MSPs, government, education, enterprise IT

Quick Answer: What socket does the ESL7B9 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 ESL7B9 ship?

ESL7B9 orders placed before 2 pm ET ship the same business day 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 ESL7B9

The ESL7B9 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.

New, Bulk, or Refurbished — Choosing Your Tier

Pro Disk Network offers the ESL7B9 across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.

TierDiscount vs OEM ListWarrantyBest For
New (Sealed OEM)25–40% manufacturer warranty (1–5 yr)Production-critical first-tier
New (Bulk OEM)50–65%3-year Pro Disk Network warrantyNew cluster builds, secondary tier
Refurbished75–85%12-month advance replacementCapacity expansion, lab, dev/test, EOL refresh

Bulk & Volume Pricing for ESL7B9

Ships from our Orlando, FL warehouse — same-day US dispatch on orders placed before 2pm ET. Net 30 terms available for verified businesses, government and education.

Volume discounts on the ESL7B9 are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.

QuantityDiscountUnit Price
10%$65.76
5+4%$63.13
10+8%$60.50
25+13%$57.21
50+18%$53.92
100+23%$50.64

What is the ESL7B9?

The ESL7B9 is a server-class processor with clock speed 3.40 GHz and bus speed 800 MHz FSB, manufactured for enterprise IT deployments. 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 ESL7B9

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
  • Single-unit purchases miss matched-pair discount

Frequently Asked Questions about ESL7B9

Is the ESL7B9 a genuine part?
Yes. Pro Disk Network sources every ESL7B9 as factory-original inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
What socket does the ESL7B9 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 ESL7B9 ship?
ESL7B9 orders placed before 2 pm ET ship the same business day 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 ESL7B9?
New ESL7B9 units carry the full manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the ESL7B9?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

Pro Disk Network Buyer’s Guide: CPUs & 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 ESL7B9 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 ESL7B9 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.

Part of

AI / ML Infrastructure Hub

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Server CPUs and GPUs for AI/ML and HPC — Intel Xeon, AMD EPYC, NVIDIA A100/H100, AMD MI300, RTX 6000.