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[SSD] | ssd idle시 전력소모량 비교

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작성자 최고관리자 작성일15-09-24 13:45 조회617회 댓글0건

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Idle Power Consumption

Idle consumption is the most important power metric for consumer and client SSDs. After all, solid-state drives complete host commands quickly, and then drop back down to idle. Aside from the occasional background garbage collection, a modern SSD spends most of its life doing very little. Enterprise-oriented drives are more frequently used at full tilt, making their idle power numbers less relevant. But this just isn't the case on the desktop, where the demands of client and consumer computing leave most SSDs sitting on their hands for long stretches of time.

Active idle power numbers are critical, especially when it comes to their impact on mobile platforms. Idle means different things on different systems, though. Pretty much every drive we're testing is capable of one or more low-power states, up to and including DevSleep. That last feature is a part of the SATA 3.2 host specification. And while it requires a capable SSD and a compatible platform, enabling it takes power consumption down to a very small number. 

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Marvell's 88SS9189 features enhanced power management (at least, that's what Crucial tells us). The improvements don't only affect active idle consumption, either. Partial hibernation and DevSlp are also more efficient. Desktop users aren't going to care much, but given the M500's mediocre power numbers, Crucial needed better performance in this metric to make the M550 a more attractive mobile option. 

The M550 does represent forward progress, but it still can't hold a candle to Samsung's efforts. This is the first benchmark where the 840 EVO scores a meaningful victory over the M550. 

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울산 중구 약사동 컴퓨터, 노트북, 모니터 수리

신품컴퓨터판매 ,중고컴퓨터판매,중고모니터판매

052-910-8265

010-9662-8265(마우스,스피커,키보드,헤드셋 수리​)


  


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