540-5821 - Sun CPU/Memory Board

540-5821 - Sun CPU/Memory Board

SKU: 540-5821 Brand: Sun Category: Server Accessories
Contact Us for Price In Stock — Ships Today

Specifications

Part Identification

Order & Fulfillment Details

  • Condition

    Refurbished

    Quality Tier
    Professionally tested — new available on request
  • Warranty

    90-Day Pro Disk Network Warranty

    Coverage
    Advance replacement — we ship first, you return the faulty unit
  • Shipping

    Free over $150 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPN540-5821
ManufacturerSun
CategoryServer Accessories
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Returns — US

Summary

The 540-5821 is a Sun server accessories component. Pricing on the 540-5821 is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.

Trust Signals

  • US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via UPS
  • 30-Day Returns — pre-paid label on DOA and defective items

Quick Answer: Will the 540-5821 fit my system?

The 540-5821 is a Sun server accessories 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 540-5821 ship?

If in stock, the 540-5821 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.

Email engineering for a compatibility check ›

Common Use Cases for 540-5821

The 540-5821 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.

  • Virtualization Host — VMware ESXi, Microsoft Hyper-V, or Proxmox host with 2-CPU configuration. Sized for 50–200 VMs depending on workload mix.
  • 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.

What is the 540-5821?

The 540-5821 is a Sun rack-mount server chassis, manufactured by Sun. 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 540-5821

Pros

  • Same-day US shipping from our US warehouse

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 540-5821

Is the 540-5821 a genuine Sun part?
Yes. Pro Disk Network sources every 540-5821 as factory-original Sun inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Sun servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the 540-5821 fit my system?
The 540-5821 is a Sun server accessories 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 540-5821 ship?
If in stock, the 540-5821 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 540-5821?
New 540-5821 units carry the full Sun 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 540-5821?
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 540-5821

Other parts that share the 540 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • 540-5828-01 — 540-5828-01 - Sun 36.4GB 15000RPM Fibre Channel 2Gb/s Hot-Swappable 3.5-inch Hard Drive — $235.79
  • 540-5849 — 540-5849 - Sun CPU / Memory UniBoard with 4CH US III Cu 1200MHz — $294.74
  • 540-5855 — 540-5855 - Sun Front Blower Fan Assembly For Netra — $215.67
  • 540-5855-03 — 540-5855-03 - Sun Front Blower Fan Assembly for Netra 440 — $157.88
  • 540-5894 — 540-5894 - Sun 73GB 10000RPM 3.5-inch Fiber Channel 2GB/s Hard Drive — $357.09

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