This HP 659042-B21 delivers PC Servers & Software functionality in a form factor and electrical specification matched to HP / HPE ProLiant DL360, DL380, ML350 and BL series platforms. The unit is built for 24/7 enterprise duty cycles and is verified against the OEM part-number registry before listing. Technical specifications include clock speed of 2.4 GHz. Common deployment scenarios include in-place server fleet refresh, expansion of existing virtualization clusters, new-build deployments for branch-office / edge-compute roles, and replacement-of-EOL infrastructure under existing service contracts. Our procurement team maintains active inventory of the 659042-B21 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 659042-B21 is a HP pc servers & software component with clock speed 2.4 GHz. Pricing on the 659042-B21 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 659042-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 659042-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 659042-B21 ship?
Pro Disk Network dispatches the 659042-B21 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.
The 659042-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.
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 659042-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
What is the 659042-B21?
The 659042-B21 is a HP rack-mount server chassis with clock speed 2.4 GHz, 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 659042-B21
Pros
Verified compatible with VMware, Hyper-V, Proxmox
HCL-listed RAID controller pairings
Pre-validated firmware versus the manufacturer compatibility matrix
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 659042-B21
Is the 659042-B21 a genuine HP part?
Yes. Pro Disk Network sources every 659042-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 659042-B21 fit my system?
The 659042-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 659042-B21 ship?
Pro Disk Network dispatches the 659042-B21 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 659042-B21?
New 659042-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 659042-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.