The 661-5857 is a Apple accessories & batteries component. Pro Disk Network sells the 661-5857 for $367.61 with same-day US shipping and a 30-day free return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 661-5857 verified against the manufacturer datasheet and our internal lab benchmarks.
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: Will the 661-5857 fit my system?
The 661-5857 is a Apple accessories & batteries 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 661-5857 ship?
Pro Disk Network dispatches the 661-5857 same-day on orders confirmed before 2 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 661-5857 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.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the 661-5857 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.
Tier
Discount vs OEM List
Warranty
Best For
New (Sealed OEM)
25–40%
Apple manufacturer warranty (1–5 yr)
Production-critical first-tier
New (Bulk OEM)
50–65%
3-year Pro Disk Network warranty
New cluster builds, secondary tier
Refurbished
75–85%
12-month advance replacement
Capacity expansion, lab, dev/test, EOL refresh
Bulk & Volume Pricing for 661-5857
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 661-5857 are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.
Quantity
Discount
Unit Price
1
0%
$367.61
5+
4%
$352.91
10+
8%
$338.20
25+
13%
$319.82
50+
18%
$301.44
100+
23%
$283.06
What is the 661-5857?
The 661-5857 is a Apple enterprise IT hardware component, 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 661-5857
Pros
Verified compatible with VMware, Hyper-V, Proxmox
HCL-listed RAID controller pairings
Pre-validated firmware versus the manufacturer compatibility matrix
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 661-5857
Is the 661-5857 a genuine Apple part?
Yes. Pro Disk Network sources every 661-5857 as factory-original Apple inventory verified against the manufacturer parts registry before listing. 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 12 months.
Will the 661-5857 fit my system?
The 661-5857 is a Apple accessories & batteries 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 661-5857 ship?
Pro Disk Network dispatches the 661-5857 same-day on orders confirmed before 2 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 661-5857?
New 661-5857 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 (12 months refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the 661-5857?
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.