Apple part number 661-5863 identifies the 661-5863 - Apple 500GB 5400RPM SATA 3Gb/s 2.5-inch Hard Drive for MacBook Pro A1278, an enterprise-grade Laptop Hard Drive unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 500 GB, spindle speed of 5,400 RPM, form factor of 2.5-inch, interface of SATA, data rate of 3 Gb/s. Typical workloads include VMware ESXi datastores, Veeam / Rubrik / Cohesity backup repositories, RDBMS data files (SQL Server, PostgreSQL, Oracle), and log-tier storage for Splunk and Elastic. Pro Disk Network sources the 661-5863 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Listed compatibility: MacBook Pro A1278. 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 661-5863 is a Apple laptop hard drive component with capacity 500 GB, spindle speed 5,400 RPM, form factor 2.5-inch. Pro Disk Network sells the 661-5863 for $716.43 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 661-5863 are shown on this page.
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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 661-5863 work with my RAID controller?
The 661-5863 operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the 661-5863 ship?
661-5863 orders placed before 3 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.
The 661-5863 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.
Veeam Backup Repository — Cost-optimised backup target for Veeam B&R, Rubrik, or Cohesity primary backup tier. RAID 6 over 8–24 drives delivers 100+ TB usable per server.
Splunk Warm/Cold Tier — Appropriate for Splunk warm/cold/frozen indexes where ingest write rates are below 200 MB/s per node. Avoid for hot-tier indexes — use NVMe instead.
File Server / SMB Shares — General-purpose Windows Server / Samba shares for departmental file storage. RAID 5 for capacity, RAID 10 for IOPS-sensitive workloads.
Object Storage (Ceph / MinIO) — JBOD presentation behind Ceph OSDs or MinIO erasure-coded pools. Mix with NVMe metadata drives for production object stores.
What is the 661-5863?
The 661-5863 is a Apple enterprise-grade hard drive with capacity 500 GB and spindle speed 5,400 RPM, 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 661-5863
Pros
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
Cons
Refurbished tier reseals — original retail box not included
Single-drive purchases ship in static-shield bags, not retail packaging
Lead time on 24+ drive orders may extend 2–4 business days
Frequently Asked Questions about 661-5863
Is the 661-5863 a genuine Apple part?
Yes. Pro Disk Network sources every 661-5863 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 661-5863 work with my RAID controller?
The 661-5863 operates with any standard SAS/SATA/NVMe-compatible RAID controller (Dell PERC, HPE Smart Array, LSI/Broadcom MegaRAID, Adaptec, IBM ServeRAID, Lenovo ThinkSystem RAID). Mixing this drive in the same RAID volume with drives of different speed/capacity is supported but never recommended.
How fast does the 661-5863 ship?
661-5863 orders placed before 3 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 661-5863?
New 661-5863 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 661-5863?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the 661 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
661-5802 — 661-5802 - Apple 2 8GHz CPU Logic Board (Motherboard) for MacBook Pro 17 — $3,504.92
661-5803 — 661-5803 - Apple PCBA 2.8GHz Logic Board for MacBook Pro 15 — $3,198.71
661-5837 — 661-5837 - Apple 750GB 5400RPM SATA 2.5-inch Hard Drive for MacBook Pro A1286 — $851.18
661-5839 — 661-5839 - Apple 128GB 2.5-inch Solid State Hard Drive for MacBook Pro A1286 — $1,695.28
661-5840 — 661-5840 - Apple 256GB 2.5-inch Solid State Hard Drive for MacBook Pro A1286 — $1,935.09
661-5842 — 661-5842 - Apple 8X SATA DR Super Optical Drive for MacBook Pro 15 — $543.79
661-5843 — 661-5843 - Apple MagSafe 85-Watts AC Power Adapter — $199.88
661-5844 — 661-5844 - Apple 77.5-Watts-Hours (wh) 10.95V Li-Ion Laptop Battery for MacBook Pro 15 — $399.89
661-5845 — 661-5845 - Apple 2GB DDR3-1333MHz PC3-10600 non-ECC Unbuffered CL9 204-Pin SoDIMM Dual Rank Memory Module for MacBook Pro — $134.13
661-5846 — 661-5846 - Apple 4GB DDR3-1333MHz PC3-10600 non-ECC Unbuffered CL9 204-Pin SoDIMM Dual Rank Memory Module for MacBook Pro — $116.63
661-5847 — 661-5847 - Apple LCD Display Clamshell Glossy for MacBook Pro 15 — $1,307.89
661-5848 — 661-5848 - Apple Display Clamshell Glossy for MacBook Pro 15 — $1,307.89
Pro Disk Network Buyer’s Guide: Laptop Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
For VMware vSAN deployments, the 661-5863 is best deployed in the capacity tier with NVMe cache drives in front. Size the cache layer at 10% of usable capacity for write-intensive workloads and 5% for read-leaning workloads. For Veeam backup repositories, plan around 1.5× the size of your protected estate to allow for incremental forever chains plus synthetic fulls. Splunk warm tier sizing should follow the daily ingest rate × retention days × 1.6 compression overhead.
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
For VMware ESXi 8 hosts, enable vSphere's predictive-failure analysis on the 661-5863 via the host's storage device list. The host queries SMART on a regular cadence and surfaces yellow/red warnings in vCenter before the drive fails outright. On Linux, use smartctl piped to your monitoring system; on Windows Server, Storage Spaces exposes health state directly in Server Manager.