The 777428-B21 is a HP pc servers & software component with generation Gen9. Pro Disk Network sells the 777428-B21 for $916.94 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 777428-B21 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
The 777428-B21 is a HP pc servers & software 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 777428-B21 ship?
777428-B21 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 777428-B21 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.
Database Server — SQL Server, Oracle, or PostgreSQL server with dedicated all-flash storage. Single-purpose deployments for predictable IOPS.
Backup / DR Repository — Veeam, Rubrik, Commvault primary backup tier. High capacity, RAID 6 over many spinning drives or large SSDs.
AI / ML Training — GPU-equipped chassis for PyTorch, TensorFlow, Hugging Face training runs. Verify PCIe lane allocation per GPU.
Branch / Office Server — Smaller-form remote office server for AD DC, file share, print server roles.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the 777428-B21 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%
HP 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 777428-B21
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 777428-B21 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%
$916.94
5+
4%
$880.26
10+
8%
$843.58
25+
13%
$797.74
50+
18%
$751.89
100+
23%
$706.04
What is the 777428-B21?
The 777428-B21 is a HP rack-mount server chassis with generation Gen9, manufactured by HP. 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 777428-B21
Pros
Same-day US shipping from Orlando warehouse
OEM-grade firmware preinstalled
Compatible with major hyperscale chassis (HP, Dell, IBM, Cisco)
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 777428-B21
Is the 777428-B21 a genuine HP part?
Yes. Pro Disk Network sources every 777428-B21 as factory-original HP inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 12 months.
Will the 777428-B21 fit my system?
The 777428-B21 is a HP pc servers & software 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 777428-B21 ship?
777428-B21 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 777428-B21?
New 777428-B21 units carry the full HP 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 777428-B21?
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.