Product overview of HP 435129-B21 256MB PCI Express
The HP 435129-B21 is a RAID controller designed for use in servers and workstations. This device provides hardware RAID capabilities and supports both SATA and SAS drives. It uses the PCI Express x8 interface and can provide data transfer rates of up to 3Gbps. In this article, we will take a closer look at the features of this RAID controller and discuss its benefits and potential use cases.
RAID Controller
A RAID controller is a hardware device that manages the data storage subsystem in a computer or server. It uses a RAID (Redundant Array of Independent Disks) configuration to provide improved data reliability, performance, or both. RAID controllers can be either software-based or hardware-based. Software-based RAID relies on the CPU of the host computer to manage the RAID array, while hardware-based RAID uses a dedicated hardware device to perform this task. Hardware RAID is generally faster and more reliable than software RAID.
PCI Express x8 Interface
The HP 435129-B21 RAID controller uses the PCI Express x8 interface. PCI Express is a high-speed serial computer expansion bus standard that connects devices to a computer's motherboard. The x8 designation refers to the number of lanes used by the interface. A PCI Express x8 interface provides eight lanes, allowing for higher data transfer rates than a x4 or x1 interface.
SATA and SAS Support
The HP 435129-B21 RAID controller supports both SATA and SAS drives. SATA (Serial Advanced Technology Attachment) is a popular interface used for connecting hard drives and solid-state drives (SSDs) to a computer's motherboard. SAS (Serial Attached SCSI) is a more advanced interface that provides higher data transfer rates and supports more devices than SATA. SAS drives are often used in enterprise-level servers and workstations.
Hardware RAID
The HP 435129-B21 RAID controller is a hardware-based RAID device. This means that it has its own processor and memory, allowing it to offload the RAID processing from the host computer's CPU. Hardware RAID devices are generally faster and more reliable than software RAID devices, as they are not dependent on the host computer's processing power or operating system.
256MB Cache
The HP 435129-B21 RAID controller has a built-in cache of 256MB. Cache is a type of memory used to temporarily store frequently accessed data. The larger the cache, the faster the RAID controller can access frequently used data, resulting in improved performance. A 256MB cache is a relatively large cache size, which can provide significant performance benefits.
RAID Levels
The HP 435129-B21 RAID controller supports several RAID levels, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and RAID 50. RAID 0 provides improved performance by striping data across two or more drives. RAID 1 provides improved data reliability by mirroring data across two or more drives. RAID 5 and RAID 6 provide improved data reliability and performance by using parity data to recover lost data in the event of a drive failure. RAID 10 and RAID 50 combine the benefits of striping and mirroring to provide improved performance and data reliability.
Benefits of the HP 435129-B21 RAID Controller
The HP 435129-B21 RAID controller provides several benefits, including:
Improved Data Reliability
RAID controllers provide improved data reliability by using redundancy to protect against data loss in the event of a drive failure. The HP 435129-B21 RAID controller supports several RAID levels, including RAID 1, RAID 5, and RAID 6, which provide varying degrees of data protection.
Improved Performance
RAID controllers can also provide improved performance by striping data across two or more drives. The HP 435129-B21 RAID controller supports several RAID levels
Detail Information about the HP 435129-B21
- Manufacturer: HP
- Part Number or SKU# 435129-B21
- Type: Controller Card
- Interface: PCI Express
Key Features of Smart Array RAID Controller
- Memory Size: 256 MB
- Data Transfer Rate: 3GBPS
- Interface (Bus) Type: RAID Controller
- Controller Interface Type: Serial ATA-150 / SAS-3GBPS
- Max Storage Devices Qty: 108
- Form Factor: Plug in Card
Compatibility Information of SAS-3GBPS Controller Card
- HPE ProLiant DL Series: DL120 Gen5 DL140 Gen3 DL145 Gen3 DL160 Gen5 DL165 Gen5 DL180 Gen5 DL180 Gen6 DL180 Gen5 DL185 Gen5 DL320 Gen5 DL320 Gen5p DL360 Gen5 DL365 Gen1 DL365 Gen5 DL380 Gen5 DL580 Gen4 DL580 Gen5 DL585 Gen2 DL585 Gen5 DL785 Gen5 DL785 Gen6 Gen7
- HPE ProLiant ML Series: ML310 Gen4 ML310 Gen5 ML310 Gen5p ML350 Gen5 ML370 Gen5 ML570 Gen4
Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.
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