4 MB (1 x 4 MB) Level 3 cache (E5506/E5504/E5502/W3505/W3503); 8 MB (1 x 8 MB) Level 3 cache (E5540/E5530/E5520/W3540/W3520)
Standard memory
4 GB (2 x 2 GB) Standard Memory
2 GB (1 x 2 GB) Standard Memory
4 GB or 2 GB
Maximum memory
144 GB (18 x 8 GB) for Registered Memory
144 GB (18 x 8 GB) for Registered Memory
144 GB (18 x 8 GB) for Registered Memory configurations; 24 GB (12 x 2 GB) for Unbuffered Memory configurations
Hard disk drive speed
Not applicable
7,200 rpm
Not applicable; 7,200 rpm
Internal drives
No hard disk drive in standard configuration
250 GB 3G SATA Non-Hot Plug 3.5" MDL Hard Drive
Hot Plug Model: No hard disk drive in standard configuration; HP 250GB 3G SATA 7.2K NHP 3.5" MDL HDD
Storage controller
HP Smart Array P410/Zero memory Controller (RAID 0/1/0+1)
HP Smart Array B110i SATA RAID Controller (RAID 0/1/0+1)
Entry Model: HP Smart Array B110i SATA RAID Controller (RAID 0/1/1+0); Base Models: HP Smart Array P410/Zero memory Controller (RAID 0/1/1+0). Available upgrades: 256MB, 512MB with BBWC, Battery kit upgrade (for BBWC), and Smart Array Advanced Pack (SAAP)
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Note: Information published at this site may refer to products, programs or services that are not available in your country. Consult your local HP business contact for information regarding the products, programs and services that may be available. *Except where noted, all prices are estimated HP Hong Kong prices solely for the purpose for customer's reference but not otherwise. Actual prices from other locations or websites may vary from location to location and from time to time.
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