$125.16In Stock — Usually Ships in 1–3 Business Days
About the 540-7809
Sourced for enterprise IT teams, the Sun 540-7809 (540-7809 - Sun 8GB DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory Module) is a Server Memory component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 8 GB, pc standard of PC2-5300, number of sticks of 1, frequency of 667 MHz, connector of 240-pin, memory class of ECC, features of Dual-Rank. Appropriate for virtualization hosts, application servers, in-memory analytics, render farms, CAD/EDA workstations, and any workload constrained by RAM rather than CPU. Pro Disk Network maintains the 540-7809 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 90-day Pro Disk Network functional warranty. Dispatch in 1–3 business days; free standard ground shipping on US orders over $150.
The 540-7809 is a Sun server memory component with capacity 8 GB, pc standard PC2-5300, number of sticks 1. Pro Disk Network sells the 540-7809 for $125.16 with US shipping in 1–3 business days and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 540-7809 are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
US Shipping in 1–3 Business Days — in-stock orders ship via UPS
30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: What servers is the 540-7809 compatible with?
The 540-7809 is a Sun server memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the 540-7809 ship?
Pro Disk Network usually dispatches the 540-7809 in 1–3 business days. 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 540-7809 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.
Hyper-V Cluster Node — Windows Server 2019/2022 Hyper-V hosts with Storage Spaces Direct. Dynamic memory allocation makes higher-density DIMMs cost-effective.
AI / ML Training — PyTorch and TensorFlow workloads benefit from large host memory pools for dataset preprocessing and CPU-side feature engineering.
Tanzu / Kubernetes Workers — Worker node memory expansion for high-density container deployments. Plan for 8–16 GB per moderate Pod baseline.
What is the 540-7809?
The 540-7809 is a Sun server memory module with capacity 8 GB and pc standard PC2-5300, manufactured by Sun. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with dispatch in 1–3 business days, backed by a 30-day return guarantee.
Pros & Cons of 540-7809
Pros
Lower cost than buying through the OEM channel
US shipping in 1–3 business days cuts deployment lead time
Cons
Not for laptop SO-DIMM upgrades — server DIMM only
LRDIMM and RDIMM are not interchangeable
Original retail box not always included on refurbished tier
Frequently Asked Questions about 540-7809
Is the 540-7809 a genuine Sun part?
Yes. Pro Disk Network sources every 540-7809 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.
What servers is the 540-7809 compatible with?
The 540-7809 is a Sun server memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the 540-7809 ship?
Pro Disk Network usually dispatches the 540-7809 in 1–3 business days. 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 540-7809?
New 540-7809 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 540-7809?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
540-7820 — 540-7820 - Sun 16GB Kit (2 X 8GB) DDR2-667MHz PC2-5300 ECC Fully Buffered Low Voltage CL5 240-Pin DIMM Dual Rank Memory — $286.47
540-7822-01 — 540-7822-01 - Sun 500GB 7200RPM SAS 3GB/s 3.5-inch Hard Drive — $196.49
540-7824 — 540-7824 - Sun 1TB 7200RPM SAS 6GB/s Hot-Pluggable 3.5-inch Hard Drive — $450.00
540-7824-01 — 540-7824-01 - Sun 1TB 7200RPM SAS 6GB/s Hot-Pluggable 3.5-inch Hard Drive — $450.00
540-7825-01 — 540-7825-01 - Sun 400GB 10000RPM SAS 3Gb/s 3.5-inch Hard Drive — $799.24
540-7829 — 540-7829 - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory — $254.86
540-7829-01 — 540-7829-01 - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory — $254.86
540-7829-02 — 540-7829-02 - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory — $254.86
Pro Disk Network Buyer’s Guide: Server Memory
Compatibility: Rank, Density, and Channel Population Rules
Memory population order for Xeon Scalable is documented in the motherboard manual; the typical rule is to populate channels symmetrically across both CPU sockets and across all six channels per socket. For two-socket builds with eight DIMMs, populate the white slot first on each channel; for sixteen-DIMM builds, populate both slots on every channel. Asymmetric population leaves performance on the table.
Pricing Strategy: New, Bulk, or Refurbished
The 540-7809 is available across three procurement tiers, and the choice is driven by criticality, warranty coverage, and budget. New (sealed OEM) units carry the full Sun manufacturer warranty and command a 20-30% premium over bulk-OEM tier. New (bulk-OEM) units are factory-fresh modules sold without retail box. Refurbished units come from decommissioned servers, are individually MemTest-validated, and carry a 90-day advance-replacement warranty.