This Sun 540-6775 delivers Server Memory functionality and is built for 24/7 enterprise duty cycles. Technical specifications include capacity of 512 MB, number of sticks of 2, frequency of 266 MHz, connector of 184-pin, memory class of ECC, Registered. Workload fit covers virtual desktop infrastructure (Citrix, VMware Horizon), Java application servers (Tomcat, JBoss, WebLogic), enterprise data warehouse (Teradata, Vertica), and Hadoop/Spark cluster compute. Pro Disk Network sources the 540-6775 through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 540-6775 is a Sun server memory component with capacity 512 MB, number of sticks 2, frequency 266 MHz. Pro Disk Network sells the 540-6775 for $192.85 with same-day US shipping and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 540-6775 are shown on this page.
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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: What servers is the 540-6775 compatible with?
The 540-6775 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 540-6775 ship?
If in stock, the 540-6775 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.
The 540-6775 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.
VMware Cluster Memory — Per-host memory expansion for vSphere ESXi hosts. Match DIMM rank and speed across all sockets to keep memory channels balanced.
In-Memory Database — SAP HANA, Redis Enterprise, Apache Ignite, Aerospike — workloads that scale linearly with DRAM capacity.
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.
What is the 540-6775?
The 540-6775 is a Sun server memory module with capacity 512 MB and number of sticks 2, 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 540-6775
Pros
Lower cost than buying through the OEM channel
Same-day US shipping cuts deployment lead time
Cons
Server-grade DDR module — does not work in consumer desktops
Buffered (RDIMM) modules require server motherboards
Confirm voltage and channel rules before mixed-density installs
Frequently Asked Questions about 540-6775
Is the 540-6775 a genuine Sun part?
Yes. Pro Disk Network sources every 540-6775 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 540-6775 compatible with?
The 540-6775 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 540-6775 ship?
If in stock, the 540-6775 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 540-6775?
New 540-6775 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 540-6775?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
540-6710 — 540-6710 - Sun System Board for Assembly Netra 440 (Refurbished) — $317.89
540-6711 — 540-6711 - Sun Front Door Assembly for Netra 440 — $189.47
540-6712 — 540-6712 - Sun PCI Fan Assembly for Netra 440 — $326.00
540-6715-03 — 540-6715-03 - Sun Microsystems Power Distribution Board Bracket for Netra 440 — $626.93
540-6719 — 540-6719 - Sun 146GB 15000RPM Fibre Channel 2GB/s Hot-Pluggable Dual Port 3.5-inch Hard Drive for Sun StorEdge 3510/6130 Array — $382.59
540-6719-01 — 540-6719-01 - Sun 146GB 15000RPM Fibre Channel 2GB/s Hot-Pluggable Dual Port 3.5-inch Hard Drive for Sun StorEdge 3510/6130 Array — $349.43
540-6722 — 540-6722 - Sun 540-6722 AC Input Box For Sun Fire E6900 RoHS Y — $447.31
540-6725 — 540-6725 - Sun Fan Tray System Rack for Fire E6900 — $512.34
540-6776 — 540-6776 - Sun 1GB Kit (2 X 512MB) DDR-333MHz PC2700 ECC Registered CL2.5 184-Pin DIMM Single Rank Memory — $454.13
540-6777 — 540-6777 - Sun 2GB Kit (2 X 1GB) PC2700 DDR-333MHz ECC Registered CL2.5 184-Pin DIMM Memory — $254.04
540-6784 — 540-6784 - Sun 73GB 10000RPM Ultra-320 SCSI LVD Hot-Pluggable 80-Pin 3.5-inch Hard Drive — $191.33
Pro Disk Network Buyer’s Guide: Server Memory
Compatibility: Rank, Density, and Channel Population Rules
For server memory, three numbers dominate compatibility: rank, density, and channel population. Mixing rank or density in the same channel forces the memory controller to fall back to the lowest-common-denominator speed and timings, sometimes by 200-400 MHz, which wastes the upgrade you just paid for. Before installing the 540-6775, run the platform's memory configuration utility (Dell DSET, HPE iLO Memory tab, Lenovo XCC Memory page) to identify what's already populated.
Pricing Strategy: New, Bulk, or Refurbished
For production tier-1 databases (SAP HANA, Oracle Exadata-equivalent, SQL Server Always On), use new sealed OEM units only. For VDI hosts, hyperconverged clusters, and general-purpose virtualisation, bulk-OEM is the cost-optimal choice. For development environments, lab gear, and capacity expansion on aging hardware, refurbished is appropriate — the price savings are 60-75% versus new.