$1,018.68In Stock — Usually Ships in 1–3 Business Days
About the 661-4221
The Apple 661-4221 (661-4221 - Apple 2.0GHz 1333MHz FSB 4MB L2 Cache Socket LGA771 Intel Xeon 5130 2-Core Processor) is a Intel Unboxed Processors component engineered for sustained enterprise-class workloads. This part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include clock speed of 2.0 GHz, bus speed of 1333 MHz FSB, cache of 4MB L2, socket of LGA771. 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 661-4221 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.
The 661-4221 is a Apple intel unboxed processors component with clock speed 2.0 GHz, bus speed 1333 MHz FSB, cache 4MB L2. Pro Disk Network sells the 661-4221 for $1,018.68 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 661-4221 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 661-4221 ship?
Pro Disk Network usually dispatches the 661-4221 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 661-4221 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 661-4221?
The 661-4221 is a Apple server-class processor with clock speed 2.0 GHz and bus speed 1333 MHz FSB, 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 661-4221
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 661-4221
Is the 661-4221 a genuine Apple part?
Yes. Pro Disk Network sources every 661-4221 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 661-4221 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 661-4221 ship?
Pro Disk Network usually dispatches the 661-4221 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 661-4221?
New 661-4221 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 661-4221?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
661-4212 — 661-4212 - Apple 256MB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Single Rank Memory Module for MacBook — $160.58
661-4213 — 661-4213 - Apple 512MB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Single Rank Memory Module for MacBook Pro — $142.30
661-4214 — 661-4214 - Apple 1GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDIMM Dual Rank Memory Module for MacBook Pro — $133.71
661-4215 — 661-4215 - Apple Intel Core 2 Duo 1.83GHz CPU Logic Board (Motherboard) for MacBook 13-inch Late 2006 A1181 — $1,713.74
661-4217 — 661-4217 - Apple 2.0GHz CPU Logic Board (Motherboard) for MacBook 13-inch — $1,713.74
661-4218 — 661-4218 - Apple 1.8GHz CPU Logic Board (Motherboard) with Heatsink for MacBook Retina 13-inch A1181 — $291.79
661-4219 — 661-4219 - Apple Logic Board for MacBook A1181 13.3 CD T2500 2.00Ghz — $221.74
661-4220 — 661-4220 - Apple 2GHz CPU Logic Board (Motherboard) with Heatsink for MacBook Retina 13-inch A1181 — $282.20
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 661-4221, 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).