$3,373.96In Stock — Usually Ships in 1–3 Business Days
About the 661-5066
Sourced for enterprise IT teams, the Apple 661-5066 (661-5066 - Apple 2.93GHz 4.8GT/s QPI 8MB SmartCache Socket FCLGA1366 Intel Xeon W3540 4-Core Processor) is a Intel Unboxed Processors component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include clock speed of 2.93 GHz, bus speed of 4.8 GT/s, cache of Intel Smart Cache, socket of FCLGA1366. 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 661-5066 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. Dispatch in 1–3 business days; free standard ground shipping on US orders over $150.
The 661-5066 is a Apple intel unboxed processors component with clock speed 2.93 GHz, bus speed 4.8 GT/s, cache Intel Smart Cache. Pro Disk Network sells the 661-5066 for $3,373.96 with US shipping in 1–3 business days and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 661-5066 are shown on this page.
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
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 661-5066 ship?
Pro Disk Network usually dispatches the 661-5066 in 1–3 business days. 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 661-5066 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 661-5066?
The 661-5066 is a Apple server-class processor with clock speed 2.93 GHz and bus speed 4.8 GT/s, manufactured by Apple. 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 661-5066
Pros
Shipping in 1–3 business days from our US warehouse cuts deployment lead time
Cons
Refurbished tier may have minor IHS markings
Tray packaging — no retail Intel/AMD cooler included
Frequently Asked Questions about 661-5066
Is the 661-5066 a genuine Apple part?
Yes. Pro Disk Network sources every 661-5066 as factory-original Apple inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Apple servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What socket does the 661-5066 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 661-5066 ship?
Pro Disk Network usually dispatches the 661-5066 in 1–3 business days. 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 661-5066?
New 661-5066 units carry the full Apple 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 661-5066?
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 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 661-5066, 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).