Apple part number 661-5143 identifies the 661-5143 - Apple 320GB 5400RPM SATA 1.5Gb/s 2.5-inch Hard Drive, an enterprise-grade Laptop Hard Drive unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 320 GB, spindle speed of 5,400 RPM, form factor of 2.5-inch, interface of SATA, data rate of 5 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 supplies the 661-5143 to US business buyers. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The 661-5143 is a Apple laptop hard drive component with capacity 320 GB, spindle speed 5,400 RPM, form factor 2.5-inch. Pro Disk Network sells the 661-5143 for $628.05 with same-day US shipping and a 30-day return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 661-5143 are shown on this page.
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30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: Will the 661-5143 work with my RAID controller?
The 661-5143 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 661-5143 ship?
If in stock, the 661-5143 ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
The 661-5143 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.
VMware vSAN Capacity Tier — Used as bulk storage in all-flash and hybrid vSAN clusters. Pair with NVMe cache-tier drives for SLA-grade write throughput at half the cost of all-NVMe.
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.
What is the 661-5143?
The 661-5143 is a Apple enterprise-grade hard drive with capacity 320 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 661-5143
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 661-5143
Is the 661-5143 a genuine Apple part?
Yes. Pro Disk Network sources every 661-5143 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 661-5143 work with my RAID controller?
The 661-5143 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 661-5143 ship?
If in stock, the 661-5143 ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the 661-5143?
New 661-5143 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 661-5143?
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.
661-5101 — 661-5101 - Apple 2.0GHz CPU Logic Board (Motherboard) for MacBook 13-inch Late 2008 A1278 — $282.20
661-5102 — 661-5102 - Apple Logic Board for MacBook 13-inch Unibody Mid-2008 2.40GHz P8600 — $291.79
661-5103 — 661-5103 - Apple LCD Display Assembly for MacBook 13 — $1,169.54
661-5104 — 661-5104 - Apple 640GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive for iMac A1225 — $881.38
661-5105 — 661-5105 - Apple 1TB 7200RPM SATA 3Gb/s 3.5-inch Hard Drive — $1,009.39
661-5121 — 661-5121 - Apple Gigabit Ethernet Card for Mac Pro Early 2009 — $580.96
661-5125 — 661-5125 - Apple 15.4-inch WXGA+ 1440X900 LED Laptop Screen — $319.43
661-5132 — 661-5132 - Apple 2.66GHz CPU Logic Board (Motherboard) iMac 24-inch Early 2009 A1225 — $205.26
661-5133 — 661-5133 - Apple 2.93GHz CPU Logic Board (Motherboard) iMac 24-inch Early 2009 A1225 — $235.79
661-5134 — 661-5134 - Apple 3.06GHz CPU Logic Board (Motherboard) iMac 24-inch Early 2009 A1225 — $4,312.91
661-5135 — 661-5135 - Apple HD 4850 512MB GDDR3 PCI Express Dual DVI/ HDMI/ HDTV-out Video Graphics Card — $996.42
661-5136 — 661-5136 - Apple 2.66GHz CPU Logic Board (Motherboard) for iMac 20 — $189.47
Pro Disk Network Buyer’s Guide: Laptop Hard Drive
How to Pick the Right Drive Capacity for Your Use Case
Sizing a storage drive correctly is the difference between a system that runs predictably for five years and one that you replace under emergency conditions at 18 months. For the 661-5143, plan capacity around three numbers: working-set size, retention window, and overhead headroom. Working set is the actively-read data — databases, indexes, hot files. Retention window is how long you keep cold data online before tiering off. Overhead headroom should be 25-30%: drives run noticeably slower above 80% utilisation and metadata operations stall above 90%.
Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure
Workload rating — expressed as TB written per year — matters more than raw capacity in choosing the 661-5143 for sustained-write workloads. Consumer SATA drives are rated for 55 TB/year; enterprise SATA for 180-550 TB/year; enterprise SAS for 550 TB+/year; mixed-use NVMe for 1-3 PB/year over five years. Match the rating to your sustained write profile, then add 30% headroom.