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The drives you want to compare against (i.e. the drives you are currently using). Press Show Details to view/modify additional drive characteristics.

The type of drive you are considering for refresh. Press Show Details to view/modify additional drive characteristics.

Add an additional drive you are considering for refresh (to compare against Option 1). Press Show Details to view/modify additional drive characteristics.

Add an additional drive you are considering for refresh (to compare against Options 1 and 2). Press Show Details to view/modify additional drive characteristics.

The manner in which your application(s) read/write data:

The size of a single I/O operation in KB.

When Workload is set to Sequential, this value is locked at 128K.

The percentage of total workload storage operations that are “reads” (as opposed to “writes”).
The number of baseline drives.
The amount of storage capacity on each drive.
The percentage of physical storage capacity that is allocated to the SSD controller. This impacts drive performance.
The type of RAID configuration being used impacts performance and usable capacity required for the storage environment. It also impacts the minimum number of drives needed.
The cost of each drive, automatically calculated based on drive type and capacity. HDD price may not reflect the latest price in the market. Intel is assuming an Average Selling Price value based on OEM pricing. Intel SSD pricing is based on standard distribution cost. This value can be modified to reflect a more appropriate drive cost.
The physical size of each drive.
The type of connection for this SSD.
The number of drives that can fit into a single enclosure. This determines how many enclosures are needed, which affects cost.
Interface used by the drive to communicate with the host system. This affects the default cost and performance of the drive.
The estimated probability that a drive will fail during a full year of use.

Input/Output Operations Per Second for a single drive. The total IOPS multiplied by the block size results in throughput in bytes per second. This input is only available when Workload is set to Random.

Read speed for a single drive. This input is only available when Workload is set to Sequential.
Write speed for a single drive. This input is only available when Workload is set to Sequential.
Rate of power consumption when a drive is not in use.
Rate of power consumption when a drive is fully utilized.

Affects the Number of New Drives values for Options 1, 2, and 3.

Automatically calculate Number of New Drives for Options 1, 2, and 3 by matching the capacity, performance, or TCO of the baseline configuration.

The number of new drives specified for this refresh option.

Changes currency throughout the Estimator. Currency exchange rates are updated daily.
The number of years that drives are used before being replaced by new drives.
Amount you pay per kilowatt hour of electricity.

Amount paid for a disk array enclosure. The number of enclosures is calculated based on the number of drives and the Drives Per Enclosure values above.

The amount of power (in watts) consumed by an enclosure at full utilization (not including the power consumed by the drives within the enclosure).
Average IT labor cost for a single drive failure.
Number of watts of electricity required to cool one watt of heat.
The percentage of the total capability of the drive that is being used (example: at 50% duty cycle the drive is being used at half of the max rated performance). Alternately, it could mean the percentage of time per day that the drive is being used at max performance.
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