Replacement for KTD-WS533-4G: Drop-In Alternatives We Stock
Looking for a replacement for the KTD-WS533-4G (Kingston KTD-WS533/4G 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Fully Buffered 240-Pin DIMM Memory)? Pro Disk Network ships Kingston drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the KTD-WS533-4G
| SKU | KTD-WS533-4G |
|---|---|
| Product | Kingston KTD-WS533/4G 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Fully Buffered 240-Pin DIMM Memory |
| Current price | $155.68 |
| Stock status | In Stock |
| Detail page | View KTD-WS533-4G › |
Drop-in replacements for KTD-WS533-4G
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
Kingston Technology KTD-PE6950/4G 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: KTD-PE6950-4G
Price: $91.14
Kingston KTD-WS800/4G 4GB Kit (2 X 2GB) DDR2-800MHz PC2-6400 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: KTD-WS800-4G
Price: $155.68
Kingston Technology KTD-WS667/4G 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: KTD-WS667-4G
Price: $155.68
Kingston KTD-WS667LP/4G 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin Low Voltage DIMM Memory
SKU: KTD-WS667LP-4G
Price: $173.49
Kingston KTD-PEM605/4G 4GB Kit (2 X 2GB) DDR2-800MHz PC2-6400 ECC Registered CL6 240-Pin DIMM Memory
SKU: KTD-PEM605-4G
Price: $217.09
Kingston KTD-WS667LPQ/8GK 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Quad Rank Memory
SKU: KTD-WS667LPQ-8GK
Price: $130.70
Kingston Technology KTD-WS667/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: KTD-WS667-8G
Price: $147.36
Kingston Technology KTD-WS667LP/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: KTD-WS667LP-8G
Price: $161.87
Kingston KTD-WWS667/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Quad Rank Memory
SKU: KTD-WWS667-8G
Price: $161.87
Kingston Technology KTD-PE6950/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: KTD-PE6950-8G
Price: $173.49
Kingston Technology KTD-WS667LPQ/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Quad Rank Memory
SKU: KTD-WS667LPQ-8G
Price: $180.28
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.