Replacement for 52049U4: Drop-In Alternatives We Stock
Looking for a replacement for the 52049U4 (52049U4 - Maxtor DiamondMax Plus 40 20GB 7200RPM IDE Ultra ATA/66 (ATA-5) 2MB Cache 3.5-inch Hard Drive)? Pro Disk Network ships 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 52049U4
| SKU | 52049U4 |
|---|---|
| Product | 52049U4 - Maxtor DiamondMax Plus 40 20GB 7200RPM IDE Ultra ATA/66 (ATA-5) 2MB Cache 3.5-inch Hard Drive |
| Current price | $259.50 |
| Stock status | In Stock |
| Detail page | View 52049U4 › |
Drop-in replacements for 52049U4
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.
6E040L0 - Maxtor DiamondMax Plus 8 40GB 7200RPM Ultra IDE / ATA-133 2MB Cache 3.5-inch Hard Drive
SKU: 6E040L0
Price: $205.26
54098H8 - Maxtor DiamondMax Plus 40 40.9GB 7200RPM IDE Ultra ATA/100 (ATA-6) 2MB Cache 3.5-inch Hard Drive
SKU: 54098H8
Price: $273.91
VQ20A017-01-B - Maxtor DiamondMax Plus D740X 20GB 7200RPM ATA-133 2MB Cache 3.5-inch Hard Drive
SKU: VQ20A017-01-B
Price: $146.50
D740X-6L - Maxtor DiamondMax Plus D740X 20GB 7200RPM ATA-133 2MB Cache 3.5-inch Hard Drive
SKU: D740X-6L
Price: $238.13
MX6L020L1 - Maxtor DiamondMax Plus D740X 20GB 7200RPM ATA-133 2MB Cache 3.5-inch Hard Drive
SKU: MX6L020L1
Price: $344.33
MX6L020J1 - Maxtor DiamondMax Plus D740X 20GB 7200RPM ATA-133 2MB Cache 3.5-inch Hard Drive
SKU: MX6L020J1
Price: $354.54
6Y040L0 - Maxtor DiamondMax Plus 9 40 GB 3.5 Internal Hard Drive - IDE Ultra ATA/133 (ATA-7) - 7200 rpm - 2 MB Buffer
SKU: 6Y040L0
Price: $84.41
L01J080G - Maxtor DiamondMax Plus D740X 80 GB 3.5 Internal Hard Drive - 1 Pack - Retail - IDE Ultra ATA/133 (ATA-7) - 7200 rpm - 2 MB Buffer
SKU: L01J080G
Price: $269.20
L01J060G - Maxtor DiamondMax Plus D740X 60 GB 3.5 Internal Hard Drive - 1 Pack - Retail - IDE Ultra ATA/100 (ATA-6) - 7200 rpm - 2 MB Buffer
SKU: L01J060G
Price: $534.62
MX6L080J4 - Maxtor DiamondMax Plus D740X 80GB 7200RPM IDE / ATA-133 2MB Cache 3.5-inch Hard Drive
SKU: MX6L080J4
Price: $234.68
LE02A101 - Maxtor DiamondMax D540X 20GB 5400RPM IDE / ATA-100 2MB Cache 3.5-inch Hard Drive
SKU: LE02A101
Price: $281.58
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.