Samsung part number M391A1K43BB2-CTDQY identifies the M391A1K43BB2-CTDQY - Samsung 8GB DDR4-2666MHz PC4-21300 ECC Unbuffered CL19 288-Pin DIMM 1.2V Single Rank Memory Module, an enterprise-grade Products unit appropriate for data-center, server-room, and workstation deployment. The component is intended for use in enterprise rack server and data-center deployments where matched-pair installation, hot-spare provisioning, or matched-lot procurement is required. Technical specifications include capacity of 8 GB, pc standard of PC4-21300, connector of 288-pin, voltage of 1.2V, memory class of ECC, Unbuffered, features of Single-Rank. Typical use cases include in-place upgrades, EOL replacement under existing OEM service contracts, lab/test environments, and refurbished-rebuild programs. Our procurement team maintains active inventory of the M391A1K43BB2-CTDQY and verifies condition, firmware revision, and OEM part-number registry alignment for each unit prior to sale. Stocked units ship same-day on in-stock orders placed before 3pm ET. Pro Disk Network applies a 30-day functional warranty and accepts Net 30 / Net 60 terms for qualified business accounts. Free US ground shipping on orders over $150; same-day expedited (UPS Next Day Air, FedEx Priority) available at checkout.
The M391A1K43BB2-CTDQY is a Samsung products component with capacity 8 GB, pc standard PC4-21300, connector 288-pin. Pro Disk Network sells the M391A1K43BB2-CTDQY for $140.00 with same-day US shipping and a 30-day free return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the M391A1K43BB2-CTDQY verified against the manufacturer datasheet and our internal lab benchmarks.
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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 M391A1K43BB2-CTDQY fit my system?
The M391A1K43BB2-CTDQY is a Samsung products 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 M391A1K43BB2-CTDQY ship?
M391A1K43BB2-CTDQY orders placed before 2 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 M391A1K43BB2-CTDQY 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 M391A1K43BB2-CTDQY 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%
Samsung 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 M391A1K43BB2-CTDQY
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 M391A1K43BB2-CTDQY 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%
$140.00
5+
4%
$134.40
10+
8%
$128.80
25+
13%
$121.80
50+
18%
$114.80
100+
23%
$107.80
What is the M391A1K43BB2-CTDQY?
The M391A1K43BB2-CTDQY is a Samsung enterprise IT hardware component with capacity 8 GB and pc standard PC4-21300, manufactured by Samsung. 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 M391A1K43BB2-CTDQY
Pros
Bulk-quantity pricing for 6+ unit orders
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
Cons
Designed for capacity tier, not write-intensive cache
Not a drop-in for desktop NAS without verifying caddy
Some firmware revs locked to specific RAID-controller families
Frequently Asked Questions about M391A1K43BB2-CTDQY
Is the M391A1K43BB2-CTDQY a genuine Samsung part?
Yes. Pro Disk Network sources every M391A1K43BB2-CTDQY as factory-original Samsung inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Samsung servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the M391A1K43BB2-CTDQY fit my system?
The M391A1K43BB2-CTDQY is a Samsung products 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 M391A1K43BB2-CTDQY ship?
M391A1K43BB2-CTDQY orders placed before 2 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 M391A1K43BB2-CTDQY?
New M391A1K43BB2-CTDQY units carry the full Samsung 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 M391A1K43BB2-CTDQY?
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.