Sourced for enterprise IT teams, the Apple 661-4640 (661-4640 - Apple 4GB Dual Fibre Channel PCI-Express NB Card for Mac Pro Xserve) is a Fiber Channel Controller component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 4 GB, interface of Fibre Channel. Appropriate for enterprise core-aggregation tier, hyperscale leaf-spine fabric expansion, EVE-NG / GNS3 lab environments at scale, and matched-pair high-availability switching deployments. Pro Disk Network sources the 661-4640 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Listed compatibility: Mac Pro Xserve. Cross-verify against the OEM compatibility matrix before deployment for production workloads. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 661-4640 is a Apple fiber channel controller component with capacity 4 GB, interface Fibre Channel. Pro Disk Network sells the 661-4640 for $1,248.86 with same-day US shipping and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 661-4640 are shown on this page.
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: Will the 661-4640 fit my system?
The 661-4640 is a Apple fiber channel controller part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 661-4640 ship?
Pro Disk Network dispatches the 661-4640 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.
The 661-4640 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.
Production Deployment — Drop-in part for production enterprise infrastructure. Pre-tested and inspected before shipment.
Replacement / Spare — Hot-spare or RMA replacement keeping installed base running while OEM warranty is processed.
Lab / Dev / Test — Identical part for non-production validation environments. Cost-effective using refurbished tier.
Capacity Expansion — Adding capacity to an existing deployment without disturbing the production baseline.
What is the 661-4640?
The 661-4640 is a Apple enterprise IT hardware component with capacity 4 GB and interface Fibre Channel, manufactured by Apple. 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 661-4640
Pros
Free 30-day return window covers DOA + fit issues
Cons
Not recommended for OLTP databases above 50 TPS
Mechanical drive — expect 5–10W idle power per unit
3.5" form factor only — confirm caddy fit before ordering
Frequently Asked Questions about 661-4640
Is the 661-4640 a genuine Apple part?
Yes. Pro Disk Network sources every 661-4640 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.
Will the 661-4640 fit my system?
The 661-4640 is a Apple fiber channel controller part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the 661-4640 ship?
Pro Disk Network dispatches the 661-4640 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 661-4640?
New 661-4640 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 661-4640?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.