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Updated February 2012. Apple has released an incredibly fast line of notebooks with the new Sandy Bridge MacBook Pro series. However, because the Sandy Bridge MacBook Pros include conventional hard drives by default, they aren’t quite as quick as they could be. In fact, the MacBook Air feels like a faster machine in some applications because it includes a solid-state drive (SSD) by default. However, the MacBook Pro still has an advantage; its hard drive is the standard 2.5-inch size, which means that you can remove and replace it with the SSD of your choice. The SSDs that Apple offers for the MacBook Pro tend to be expensive and perform poorly compared to the best SSD upgrades available from third-party manufacturers, so your best bet is to purchase a MacBook Pro with a conventional hard drive and upgrade it with an SSD yourself. Background: HD vs. SSD The conventional hard drive has been the main form of mass storage in computers for many years. A hard drive contains metal rotating platters that store data magnetically. As the platters spin, a read/write head moves in and out, like a record needle, to read and record data. Hard drive manufacturers have increased the performance of their products by increasing the density of the data packed on the platters, increasing the rotational speed of the platters, adding high-speed cache memory and improving hard drives’ internal data fetching algorithms. However, hard drives will always be limited by the fact that they have moving parts. SSDs, meanwhile, store data on flash memory rather than magnetic platters. Therefore, an SSD can access information on any part of the media instantly, while a hard drive must wait for the platters and read/write head to reach the correct positions. An SSD, therefore, has the ability to be dramatically faster than a conventional hard drive. The trade-off is that SSDs tend to hold less data than hard drives, and cost more. However, this is changing quickly. Today’s SSDs often hold a great deal of data, and if you need additional storage, an external hard drive can more than make up the difference. We believe that a fast SSD is the best upgrade that anyone can purchase for their MacBook Pro or MacBook. The Best SSD Upgrades for the MacBook Pro Click a link to proceed to the product page for that item. Prices current as of February, 2012. All benchmark results are correct to the best of our knowledge and sourced from the links given at the end of the article. See below for a glossary of terms such as “Sequential Read” and “Random Write” and to see how these terms benefit you. Size: 128 GB Sequential Read: 411.5 MB/sec Sequential Write: 330.8 MB/sec Random Read: 63.2 MB/sec Random Write: 148.4 MB/sec Size: 120 GB (a 240 GB version is slightly faster) Sequential Read: 323.3 MB/sec Sequential Write: 370 MB/sec Random Read: 35.4 MB/sec Random Write: 214.3 MB/sec Size: 120 GB Sequential Read: 238.7 MB/sec Sequential Write: 205.5 MB/sec Random Read: 60.9 MB/sec Random Write: 58.6 MB/sec Size: 128 GB Sequential Read: 307.2 MB/sec Sequential Write: 223.8 MB/sec Random Read: 93.5 MB/sec Random Write: 185.8 MB/sec Size: 120 GB Sequential Read: 265.5 MB/sec Sequential Write: 251.9 MB/sec Random Read: 62 MB/sec Random Write: 51.4 MB/sec Glossary of SSD Performance Terms The performance of an SDD can be expressed with four primary terms. In this section of the article, we explain what those terms mean, and why they might be important to you. Sequential Read What it means: This measurement expresses the ability of an SSD to read contiguous data, such as a single large file. Benefits: An SSD with a high sequential read score can quickly load a large file from the drive to memory, decreasing the amount of time needed to open a large image, video or audio file for editing. Sequential Write What it means: This measurement expresses the ability of an SSD to write contiguous data, such as a single large file. Benefits: An SSD with a high sequential write score can quickly write a large file, decreasing the amount of time needed to save an open project such as an image, video or audio file. Random Read What it means: This measurement expresses the ability of an SSD to read data that is not contiguous, such as several small files. Benefits: An SSD with a high random read score starts up quickly, going from a fully-off state to being ready to use in seconds. Applications and game levels load dramatically faster than they would with a conventional hard drive. Random Write What it means: This measurement expresses the ability of an SSD to write data that is not contiguous, such as virtual memory, cache and history files. Benefits: An SSD with a high random write score installs applications quickly and does not cause the computer to stall momentarily during small changes to the virtual memory or various cache and history files. The earliest SSDs had very poor random write characteristics, leading to very slow application installs and frequent computer pauses. The earliest Eee PC netbooks were notorious for having this problem. Suggested Reading: AnandTech: The Samsung SSD 830 Review AnandTech: The OCZ Vertex 3 Review (120 GB) AnandTech: OWC Mercury Extreme Pro 6G SSD Review AnandTech: The Intel SSD 320 Review: 25nm G3 is Finally Here AnandTech: The SSD Diaries: Crucial’s RealSSD C300 AnandTech: The SSD Relapse: Understanding and Choosing the Best SSD AnandTech: The SSD Anthology: Understanding SSDs
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Travnja 30, 2011 Ažurirano veljače 2012. Apple je objavio nevjerojatno brz liniju prijenosnih računala s novim Sandy Bridge MacBook Pro serije. Međutim, jer Sandy Bridge MacBook Pro uključuje konvencionalne tvrde diskove prema zadanim, oni nisu baš tako brzo kao što bi mogli biti. Zapravo, MacBook Air osjeća kao brži stroj u nekim aplikacijama jer sadrži solid-state pogon (SSD) po defaultu. Međutim, MacBook Pro i dalje ima prednost; njezin hard disk je standardni 2,5-inčni veličine, što znači da možete ukloniti i zamijeniti ga sa SSD vašem izboru. SSD-ovi koje Apple nudi za MacBook Pro imaju tendenciju da se skupi i slabo u usporedbi s najboljim SSD nadogradnje dostupne od proizvođača treće strane, tako da je vaš najbolji kladiti se na kupnju MacBook Pro s konvencionalnim tvrdi disk i nadograditi s SSD sebe. Pozadina: HD vs. SSD Konvencionalni hard disk je glavni oblik za pohranjivanje u računalima za mnogo godina. Hard disk sadrži metalne rotirajuće plate koje čuvaju podatke magnetski. Kao plate spina, čitanje / pisanje glavu pomiče i izlazi, poput rekordne igle, čitati i snimati podatke. Tvrdi disk proizvođači su povećali učinkovitost svojih proizvoda povećanjem gustoće podataka pakirane na plate, povećava brzinu okretanja plate, dodavanjem velike brzine cache memorije i poboljšanje tvrdih diskova’ interni podaci vađenje algoritama. Međutim, Tvrdi diskovi će uvijek biti ograničena činjenicom da imaju pomične dijelove. SSD-ovi, u međuvremenu, spremanje podataka na flash memoriju umjesto magnetskog plate. Dakle, SSD može pristupiti informacijama o bilo kojem dijelu medija odmah, dok tvrdi disk mora čekati za plate i čitanja / pisanja glave do ispravne pozicije. SSD, dakle, ima sposobnost da se drastično brže od konvencionalnog hard disk. Trade-off je da SSD-ovi imaju tendenciju da se drže manje podataka od tvrdih diskova, i skuplji. Međutim, to se brzo mijenja. Današnji SSD-ovi često imaju mnogo podataka, a ako vam treba dodatni prostor za pohranu, vanjski tvrdi disk može više nego nadoknaditi razliku. Vjerujemo da je brza SSD je najbolje upgrade da svatko može kupiti za svoje MacBook Pro ili MacBook. Najbolji SSD Nadogradnje za MacBook Pro Kliknite na poveznicu kako biste prešli na stranicu proizvoda za tu stavku. Cijene vrijede u veljači, 2012. Svi mjerni rezultati su točni našem najboljem znanju i potječe od veze s obzirom na kraju članka. Pogledajte dolje za rječnik pojmova, kao što su “Sekvencijalno čitanje” a “Random pisanje” i vidjeti kako se ti pojmovi vas koristi. Veličina: 128 GB Sekvencijalno čitanje: 411.5 MB / sec Uzastopno pisanje: 330.8 MB / sec Slučajna Pročitajte: 63.2 MB / sec Random pisanje: 148.4 MB / sec Veličina: 120 GB (a 240 GB verzija je nešto brži) Sekvencijalno čitanje: 323.3 MB / sec Uzastopno pisanje: 370 MB / sec Slučajna Pročitajte: 35.4 MB / sec Random pisanje: 214.3 MB / sec Veličina: 120 GB Sekvencijalno čitanje: 238.7 MB / sec Uzastopno pisanje: 205.5 MB / sec Slučajna Pročitajte: 60.9 MB / sec Random pisanje: 58.6 MB / sec Veličina: 128 GB Sekvencijalno čitanje: 307.2 MB / sec Uzastopno pisanje: 223.8 MB / sec Slučajna Pročitajte: 93.5 MB / sec Random pisanje: 185.8 MB / sec Veličina: 120 GB Sekvencijalno čitanje: 265.5 MB / sec Uzastopno pisanje: 251.9 MB / sec Slučajna Pročitajte: 62 MB / sec Random pisanje: 51.4 MB / sec Rječnik SSD učinka Uvjeti Izvedba SDD može biti izražena s četiri primarne uvjetima. U ovom dijelu članka, ćemo objasniti što ti pojmovi znače, i zašto bi oni mogli biti važni za vas. Sekvencijalno čitanje Što to znači: Ovo mjerenje izražava sposobnost SSD za čitanje granični podataka, kao jedan velike datoteke. Prednosti: SSD s visokim sekvencijalno čitanje rezultatom može se brzo učitati velikih datoteka s pogona na memoriju, smanjuje količinu vremena potrebno za otvaranje veliku sliku, video ili audio datoteke za uređivanje. Uzastopno pisanje Što to znači: Ovo mjerenje izražava sposobnost SSD napisati granični podataka, kao jedan velike datoteke. Prednosti: SSD s visokim sekvencijalnog pisanja rezultatom može brzo pisanje velikih datoteka, smanjuje količinu vremena potrebnog za spremanje otvoren projekt, kao što je na slici, video ili audio datoteka. Slučajna Pročitajte Što to znači: Ovo mjerenje izražava sposobnost SSD za čitanje podatke koji nisu u dodiru, kao što su nekoliko manjih datoteka. Prednosti: SSD s rezultatom visoka slučajnim čitanje počinje brzo, ide s potpuno isključeno da bude spreman za korištenje u sekundi. Prijave i igra razinama učitavanje dramatično brže nego što bi s konvencionalnim tvrdi disk. Random pisanje Što to znači: Ovo mjerenje izražava sposobnost SSD za pisanje podataka koji ne graniče, kao što su virtualne memorije, Cache i povijest datoteke. Prednosti: SSD s visokim slučajnim pisanja rezultatom instalira aplikacije brzo i ne uzrokuje računalo odugovlačiti trenutno vrijeme malih promjena u virtualnu memoriju ili raznim Cache i povijest datoteke. Najraniji SSD-ovi su imali vrlo slabe slučajne osobine pisanje, što dovodi do vrlo sporog primjene instalira i česte pauze računala. Najraniji Eee PC netbook su zloglasne za to što taj problem. Predložena Čitanje: AnandTech: Samsung SSD 830 Pregled AnandTech: OCZ Vertex 3 Pregled (120 GB) AnandTech: OWC Mercury Extreme Pro 6G SSD Pregled AnandTech: Intel SSD 320 Pregled: 25nm G3 je napokon ovdje AnandTech: SSD Diaries: Bitan je RealSSD C300 AnandTech: SSD Relapse: Razumijevanje i odabir najboljeg SSD AnandTech: SSD Antologija: Razumijevanje SSD