EDM640 - Sony 3.5 Rewritable Magneto Optical Media - Rewritable - 640MB - 3.5

EDM640 - Sony 3.5 Rewritable Magneto Optical Media - Rewritable - 640MB - 3.5

SKU: EDM640 Brand: Sony Category: Storage Devices
$125.27 In Stock — Ships Today

About the EDM640

This Sony EDM640 delivers Storage Devices functionality in a form factor and electrical specification matched to enterprise rack server and data-center deployments. The unit is built for 24/7 enterprise duty cycles and is verified against the OEM part-number registry before listing. Technical specifications include capacity of 640 MB. Workload fit covers Hyper-V cluster storage, Proxmox VE shared storage, Ceph OSDs, MinIO erasure-coded pools, and bulk file-server (SMB/NFS) duty. Pro Disk Network maintains the EDM640 in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 30-day Pro Disk Network functional warranty. Net 30 terms are available for qualified business accounts. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.

Specifications

Part Identification

Technical Specifications

  • Capacity

    640 MB

    Verified specification
    Source: manufacturer datasheet

Order & Fulfillment Details

  • Condition

    New / Certified Refurbished

    Quality Tier
    Each refurb unit tested + functional warranty
  • Warranty

    30-Day Pro Disk Network Guarantee

    Coverage
    Return for full refund within 30 days of delivery
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Free Returns — US

    Return Window
    Original packaging required
Part Number / MPNEDM640
ManufacturerSony
CategoryStorage Devices
Capacity640 MB
ConditionNew / Certified Refurbished
Warranty30-Day Pro Disk Network Guarantee
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Free Returns — US

Summary

The EDM640 is a Sony storage devices component with capacity 640 MB. Pro Disk Network sells the EDM640 for $125.27 with same-day US shipping and a 30-day free return guarantee.

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 EDM640 work with my RAID controller?

The EDM640 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 EDM640 ship?

Pro Disk Network dispatches the EDM640 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.

Email engineering for a compatibility check ›

Common Use Cases for EDM640

The EDM640 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.

  • 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.

New, Bulk, or Refurbished — Choosing Your Tier

Pro Disk Network offers the EDM640 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.

TierDiscount vs OEM ListWarrantyBest For
New (Sealed OEM)25–40%Sony manufacturer warranty (1–5 yr)Production-critical first-tier
New (Bulk OEM)50–65%3-year Pro Disk Network warrantyNew cluster builds, secondary tier
Refurbished75–85%12-month advance replacementCapacity expansion, lab, dev/test, EOL refresh

Bulk & Volume Pricing for EDM640

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 EDM640 are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.

QuantityDiscountUnit Price
10%$125.27
5+4%$120.26
10+8%$115.25
25+13%$108.98
50+18%$102.72
100+23%$96.46

What is the EDM640?

The EDM640 is a Sony enterprise-grade hard drive with capacity 640 MB, manufactured by Sony. 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 EDM640

Pros

  • Verified compatible with VMware, Hyper-V, Proxmox
  • HCL-listed RAID controller pairings
  • Pre-validated firmware versus the manufacturer compatibility matrix

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 EDM640

Is the EDM640 a genuine Sony part?
Yes. Pro Disk Network sources every EDM640 as factory-original Sony inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Sony servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the EDM640 work with my RAID controller?
The EDM640 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 EDM640 ship?
Pro Disk Network dispatches the EDM640 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 EDM640?
New EDM640 units carry the full Sony 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 EDM640?
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.

Similar Products

From the Same Series as EDM640

Other parts that share the EDM640 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • EDM640C2 — EDM640C2 - Sony 3.5 Magneto Optical Media - Rewritable - 640MB - 3.5 — $137.92

Pro Disk Network Buyer’s Guide: Storage Devices

How to Pick the Right Drive Capacity for Your Use Case

If the EDM640 is going into a RAID array, choose RAID 6 over RAID 5 for any capacity tier built from drives larger than 4 TB. The probability of a second drive failing during rebuild from a 6+ TB rebuild window is high enough that single-parity is no longer responsible. For all-flash arrays, RAID 10 still wins on write-amplification-sensitive workloads (OLTP databases, VDI write-cache).

Drive Health Monitoring: SMART, Workload Rating, and Predictive Failure

Once the EDM640 is in production, the single most impactful operational practice is SMART monitoring tied to your existing alerting stack. SMART attributes 187 (reported uncorrectable errors), 197 (current pending sector count), and 198 (offline uncorrectable sector count) are the leading indicators of impending drive failure. Alert on non-zero values, not just on absolute thresholds; once these attributes leave zero, the drive has typically 30-90 days of useful life remaining.

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