The Supermicro SuperServer 1025C-M3B (SYS-1025C-M3B) uses DDR2 DIMM ECC REG PC2-4200 533MHz, ECC REG PC2-5300 667MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type DDR2 DIMM ECC REG PC2-4200 533MHz, ECC REG PC2-5300 667MHz
Base Memory 0MB (Removable)
Upgrade Slots 6 Socket(s)
Maximum Memory 12GB with current products 32GB with release of Single Rank 8GB module
Maximum Module Size
CPU & Chipset Intel Xeon / Intel 5100 0
Bus Architecture PCI Express; SSD - SATA 2.5-inch 9.5mm; USB
Notes Important: MODULES MUST BE ORDERED AND INSTALLED IN PAIRS. Mixing x4 and x8 modules is allowed, however not within the same bank. If featured, SDDC (Single Device Disable Code) technology is supported with x4 modules only. Quantum offers "K2" kit part numbers for Dual Channel mode. Kit part numbers consist of two single-rank modules. Maximum configurations require a 64-bit operating system.
Manufacturer Part Numbers
  • SYS-1025C-M3B
Part Number 522ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$15.99
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Part Number 532ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$15.99
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Part Number 521ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$23.99
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Part Number 522ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$24.99
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Part Number 532ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$24.99
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Part Number 52.5ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$29.99
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Part Number 522ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$30.99
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Part Number 53.2ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$30.99
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Part Number 532ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$30.99
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Part Number 521ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$37.99
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Part Number 521ERSC4
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$43.99
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Part Number 532ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$44.99
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Part Number 52.2ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
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Part Number 521ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
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Part Number 53.5ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$46.99
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Part Number 52.5ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$47.99
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Part Number 522ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$49.99
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Part Number 53.2ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$49.99
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Part Number 532ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$49.99
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Part Number 52.5ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$58.99
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Part Number 531ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$58.99
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Part Number 531ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$58.99
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Part Number 522ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$61.99
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Part Number 53.2ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
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Part Number 532ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
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Part Number 521ERSC4H
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$69.99
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Part Number 532ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$72.99
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Part Number 52.2ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 521ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Part Number 53.5ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$74.99
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Part Number 532ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$89.99
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Part Number 52.2ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 521ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 53.5ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$92.99
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Part Number SSD/60G
Call to Order
$92.99
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Part Number 52.5ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$94.99
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Part Number 531ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$94.99
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Part Number 531ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$94.99
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Part Number 522ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$99.99
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Part Number 53.2ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
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Part Number 532ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
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Part Number SSD/64G
Call to Order
$99.99
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Part Number 52.5ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$117.99
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Part Number 531ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$117.99
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Part Number 531ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$117.99
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Part Number SSD/80G
Call to Order
$123.99
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Part Number SSD/32G
Call to Order
$139.99
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Part Number 532ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$144.99
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Part Number 52.2ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
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Part Number 521ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
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Part Number 53.5ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$149.99
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Part Number SSD/60GH
Call to Order
$149.99
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Part Number SSD/64GH
Call to Order
$159.99
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Part Number 53.5ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$185.99
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Part Number 52.5ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$189.99
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Part Number 531ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$189.99
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Part Number 531ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$189.99
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Part Number SSD/80GH
Call to Order
$199.99
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Part Number SSD/32GH
Call to Order
$224.99
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Part Number 531ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$235.99
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Part Number 53.5ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$299.99
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Part Number SSD/240G
Call to Order
$371.99
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Part Number 531ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$379.99
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Part Number SSD/240GH
Call to Order
$599.99
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Part Number SSD/400G
Call to Order
$619.99
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Part Number SSD/400GH
Call to Order
$999.99
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Part Number 522ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$61.99
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Part Number 532ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
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Part Number 522ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$99.99
View Product
Part Number 532ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
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Part Number 522ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$30.99
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Part Number 532ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$30.99
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Part Number 522ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$49.99
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Part Number 532ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$49.99
View Product
Part Number 532ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$89.99
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Part Number 521ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
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Part Number 532ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$144.99
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Part Number 521ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
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Part Number 531ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$235.99
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Part Number 531ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$379.99
View Product
Part Number 522ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$15.99
View Product
Part Number 532ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$15.99
View Product
Part Number 522ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$24.99
View Product
Part Number 532ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$24.99
View Product
Part Number 532ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$44.99
View Product
Part Number 521ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
View Product
Part Number 532ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$72.99
View Product
Part Number 521ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
View Product
Part Number 52.5ERC7-4
533MHz 240pin CL7 Registered ECC
In Stock
$117.99
View Product
Part Number 531ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$117.99
View Product
Part Number 531ERPSC5-2
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$117.99
View Product
Part Number 53.5ERPC7-4
667MHz 240pin CL7 Registered Parity ECC
In Stock
$185.99
View Product
Part Number 52.5ERC7-4H
533MHz 240pin CL7 Registered ECC
In Stock
$189.99
View Product
Part Number 531ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$189.99
View Product
Part Number 531ERPSC5-2H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$189.99
View Product
Part Number 53.5ERPC7-4H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$299.99
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Part Number 521ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$23.99
View Product
Part Number 521ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$37.99
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Part Number 521ERSC4
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$43.99
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Part Number 52.5ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$58.99
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Part Number 531ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$58.99
View Product
Part Number 531ERPSC5
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$58.99
View Product
Part Number 521ERSC4H
533MHz 240pin CL4 Registered Single Rank ECC
In Stock
$69.99
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Part Number 53.5ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$92.99
View Product
Part Number 52.5ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$94.99
View Product
Part Number 531ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$94.99
View Product
Part Number 531ERPSC5H
667MHz 240pin CL5 Registered Parity Single Rank ECC
In Stock
$94.99
View Product
Part Number 53.5ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$149.99
View Product
Part Number 52.5ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$29.99
View Product
Part Number 53.5ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$46.99
View Product
Part Number 52.5ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$47.99
View Product
Part Number 53.2ERPC7-2
667MHz 240pin CL7 Registered Parity ECC
In Stock
$61.99
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Part Number 53.5ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$74.99
View Product
Part Number 52.2ERC7-2
533MHz 240pin CL7 Registered ECC
In Stock
$92.99
View Product
Part Number 53.2ERPC7-2H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$99.99
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Part Number 52.2ERC7-2H
533MHz 240pin CL7 Registered ECC
In Stock
$149.99
View Product
Part Number 53.2ERPC7
667MHz 240pin CL7 Registered Parity ECC
In Stock
$30.99
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Part Number 52.2ERC7
533MHz 240pin CL7 Registered ECC
In Stock
$46.99
View Product
Part Number 53.2ERPC7H
667MHz 240pin CL7 Registered Parity ECC
In Stock
$49.99
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Part Number 52.2ERC7H
533MHz 240pin CL7 Registered ECC
In Stock
$74.99
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Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
KVR533D2S8R4/1G 1GB DDR2 PC2-4200 533MHz ECC REG Single Rank DIMM Kingston 521ERSC4
KVR667D2S8P5/1G 1GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 531ERPSC5
KVR667D2S4P5/2G 2GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 532ERPSC5
KVR667D2S8P5K2/2G 2GB Kit of 2 1GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 531ERPSC5-2
KVR667D2S4P5K2/4G 4GB Kit of 2 2GB DDR2 PC2-5300 667MHz ECC REG Parity Single Rank DIMM Kingston 532ERPSC5-2
SNE125-S2/32GB 32GB Solid State Drive Kingston SSD/32G
SNE125-S2/64GB 64GB Solid State Drive Kingston SSD/64G
CT1266088 64GB Kit of 8 8GB DDR2 PC2-5300 667MHz ECC REG Dual Rank DIMM Crucial 538ERDC5-8
SVP200S3/60G 8523.51.0000, 5A992.C 60GB Solid State Drive Kingston SSD/60G
SVP200S3B/60G 60GB Solid State Drive Kingston SSD/60G
SVP200S37A/60G 60GB Solid State Drive Kingston SSD/60G
SVP200S3B7A/60G 60GB Kit of 2 30GB Solid State Drive Kingston SSD/30G-2
SKC300S37A/480G 80GB Solid State Drive Kingston SSD/80G
SKC300S3B7A/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SKC300S37A/240G 240GB Solid State Drive Kingston SSD/240G
SE50S37/480G 80GB Solid State Drive Kingston SSD/80G
SE100S37/400G 400GB Solid State Drive Kingston SSD/400G
SE50S37/240G 240GB Solid State Drive Kingston SSD/240G